KAIY

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When purchasing a product, price is the consumer's primary concern. At present, KAIY has 110 products for sale. KAIY products range in price from $5.69 to $29.99, and the average price of all the products is about $12.04. It's affordable for most consumers, and you can feel free to pick your favorite products.

You can confidently purchase KAIY products from the seller KAIY. The brand holds an average rating of 4.4, testifying to its excellent reputation.

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Last Updated: Jan 8, 2026

KAIY Bluetooth 5.3 Receiver for Home Stereo, Optical Low Latency & HD Music Audio Bluetooth to RCA Adapter for Stereo/Speakers/Wired Speakers/Home Audio Music Streaming Stereo System, Support AUX/USB

Wireless Audio Receivers & Adapters

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UPGRADE YOUR LEGACY AUDIO SETUP: Bluetooth receivers transform vintage home stereos, car speakers, or old-school receivers into Bluetooth-ready powerhouses! This plug-and-play Bluetooth adapter lets you stream music from your phone, tablet, or laptop to any wired audio system. The Bluetooth audio receiver is perfect for upgrading classic setups without sacrificing nostalgia.

UNIVERSAL CONNECTIVITY FOR ANY SETUP: 3-in-1 Outputs: RCA/AUX/Optical ports work with 99% of speakers, amplifiers, and projectors. USB Flash Drive Support: Play music audio directly from a USB drive (no Bluetooth needed!). Vintage Stereo Savior: Bluetooth audio adapter breathes new life into old receivers with seamless wireless streaming.

BLUETOOTH 5.3: Experience 33ft stable connectivity with the latest Bluetooth 5.3. Faster pairing, stronger signals, and zero audio delay. Bluetooth adapter for stereo receiver is perfect for parties, workouts, or relaxing at home without tangled wires.

IMMERSIVE HIFI STEREO SOUND: Bluetooth adapter for old receiver powered by advanced wireless codecs, enjoy studio-quality audio with crisp highs, deep bass, and zero distortion.

SMART LCD DISPLAY & EASY CONTROLS: The Bluetooth to aux adapter's intuitive LCD screen shows volume levels, playback mode, and connection status at a glance. Adjust settings directly on the RCA Bluetooth adapter, no need to fumble with your phone mid-song.

MULTI-ROOM AUDIO MADE SIMPLE: Sync multiple speakers via AUX/RCA/Optical cables for whole-home audio consistency. The Bluetooth receiver for speakers turns your living room, kitchen, and patio into a unified sound system for parties or daily vibes.

PLUG & PLAY SETUP: Connect to your stereo via RCA/AUX/Optical. Power via Type-C. Pair with your device in seconds, no apps or complicated settings.

AUTOMATIC RECONNECTION: Once paired, the RCA to Bluetooth transmitter auto-connects to your last device when powered on. Ideal for daily use. Just hit play and enjoy hassle-free music.

IMPORTANT TO NOTE: No Built-in Battery: Requires constant power (Type-C cable included). Receiver-Only: Works with speakers/amps, not Bluetooth headphones or TVs.

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Bluetooth Receiver for Home Stereo, AUX RCA to Bluetooth Adapter for Old Speakers, NFC Wireless Audio Receiver for Music Streaming Sound System, KAIY Convert Wired Speakers to Wireless

Wireless Audio Receivers & Adapters

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SEAMLESS WIRELESS MUSIC STREAMING: Whether you want to upgrade your home stereo as a Bluetooth receiver for home stereo, breathe new life into an old system using it as a Bluetooth adapter for old receiver, or add Bluetooth to your stereo receiver, this device is the key to a modern, wire-free listening setup.

MULTIFUNCTIONAL CONNECTIVITY: This Bluetooth adaptor for old stereo is a connectivity powerhouse. With support for RCA and 3.5mm jacks, it's compatible with 99% of speakers. From classic AV receivers to your car or home stereo, a Bluetooth audio receiver fits right in. Plus, its TF card music playback support gives you extra ways to enjoy your tunes.

FAST NFC QUICK CONNECT: Our Bluetooth to RCA adapter features a built-in NFC chip. Just bring your NFC-enabled smartphone or tablet close, and you're instantly connected. No more tedious manual pairing. It's the quickest way to start streaming your favorite music.

PREMIUM CRYSTAL CLEAR SOUND: Experience audio like never before. Our aux to Bluetooth adapter ensures crystal-clear sound. The 3D music playback mode creates a rich, surround-sound experience. Whether it's soft ballads or high-octane tracks, you get distortion-free sound, even at full volume.

EFFORTLESS AUTOMATIC PAIRING: Once you've set it up, the Bluetooth RCA receiver pairs automatically every time you power it on. No more struggling with wires or complex connections. Just turn it on and let the music play.

EXTENDED WIRELESS RANGE: With a wireless range of up to 33 feet (no obstacles), this bluetooth receiver for speakers gives you the freedom to move around. Host backyard parties, do household chores, or relax in different rooms while your music plays non-stop.

SIMPLE POWERING SOLUTION: Powering this Bluetooth stereo converter is a cinch. It comes with a USB cable that plugs into any USB outlet or phone charger. No need for complicated power setups.

RECEIVER - ONLY FUNCTIONALITY: Remember, this is a Bluetooth receiver only. It can't turn wired headphones wireless, but if you want to upgrade your speaker listening experience, it's the ideal product.

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KAIY Bluetooth Receiver for Home Stereo, Bluetooth to RCA Adapter with NFC-Enabled, 3.5mm Audio Adapter Support USB Flash Drive/TF Card, Wireless Audio Receivers for HiFi Music Stereo System

Wireless Audio Receivers & Adapters

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BLUETOOTH WIRELESS AUDIO RECEIVER: The KAIY Bluetooth adapter for old receiver is a compact, lightweight Bluetooth audio receiver that delivers consistent, rich, crystal-clear sound. Stream high-definition audio wirelessly to your sound system and control playlists directly from your smartphone, tablet, computer, or any Bluetooth-enabled device.

VERSATILE CONNECTIVITY HUB: The Bluetooth adapter for stereo receiver is simple to install, set up, pair, and operate. With RCA and 3.5mm AUX audio outputs that work simultaneously, you can easily connect the Bluetooth receiver for speakers to any audio system.

MUSIC PLAYBACK CENTER: This Bluetooth audio adapter supports three music playback modes: Bluetooth Mode, which allows you to stream directly from your phone, tablet, or laptop. USB flash drive/TF Card Playback: Play audio directly from USB drives or TF cards. AUX Mode: Connect via wired 3.5mm input for maximum flexibility.

MAXIMUM WIRELESS FLEXIBILITY: Bluetooth to RCA adapter with the high-performance antenna and the latest Bluetooth Version 5.3 technology, you can stream any audio format and enjoy synchronized, true Hi-Fi digital audio at extended ranges of up to 33ft with no dropouts.

NFC TAP-TO-PAIR: The Bluetooth RCA adapter with a built-in NFC chip allows for seamless connection by simply bringing your NFC-enabled smartphone or tablet close to the receiver. Say goodbye to manual pairing processes and enjoy hassle-free connections.

VERSATILE COMPATIBILITY: The RCA Bluetooth adapter is ideal for adding quality wireless audio streaming capabilities to sound systems in fitness gyms, schools, classrooms, gymnasiums, houses of worship, restaurants, retail stores, medical facilities, warehouses, hospitality spaces, and business background music systems.

CAR-READY BLUETOOTH RECEIVER: Plug the Bluetooth receiver 3.5mm output into your car's AUX port for wireless audio and hands-free calls. Features one-touch call answering/ending and a built-in mic that suppresses background noise for crystal-clear conversations.

IMPORTANT DETAILS: Requires USB power (cable included; AC adapter not included). Bluetooth to RCA works with wired speakers, stereos, and car audio systems (RCA/3.5mm). Not for Bluetooth headphones or TVs.

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KAIY Bluetooth 5.3 Transmitter Receiver, Bluetooth Transmitter for TV/Headphone/Airplane, Aux Wireless Adapter for Car, Audio Receiver for Home Stereo/Car Stereo/Speakers

Wireless Audio Receivers & Adapters

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BLUETOOTH TRANSMITTER RECEIVER: 2-in-1 Receiving and Transmitting functions for all your Bluetooth needs [RX Mode]Bluetooth Music Receiver streams music from Bluetooth devices to your home stereo/vintage speaker/car stereo system. [TX Mode] Bluetooth transmitter transfers TV/Airplane/PC/MP3/MP4/projector audio to headphones/speakers/soundbar/Bluetooth headphones.

BLUETOOTH 5.3 AUDIO ADAPTER: This Bluetooth transmitter for airplane has the latest, more stable, and faster Bluetooth 5.3 version, and comes with the latest wireless codecs for HIFI high-definition sound performance, providing wireless audio streaming that is consistently clear with virtually no lag or degradation in sound quality.

AUX 3.5MM AUDIO ADAPTER: The Bluetooth adapter for TV is compatible with 3.5mm interface devices, including car stereos, home stereos, headphones, audio music streaming sound systems, speakers, etc. It only weighs 30g and has a compact and lightweight design, which can meet the needs of different spaces and be easily carried anywhere.

BLUETOOTH AUX ADAPTER FOR CAR: The Bluetooth AUX adapter has a built-in HD microphone and one click to answer or hang up calls. The car Bluetooth transmitter supports broadcasting voice notifications from navigation Apps. Make sure you drive safely!

RECHARGEABLE BATTERY & LONG-RANGE WIRELESS: This aux to Bluetooth adapter can work continuously for 4 hours with the built-in rechargeable battery. Bluetooth audio adapter also gives you up to 33 feet of range and stable transmission, so that you can move around your house freely without loss of connection. You enjoy your favorite wireless content all the time.

RX MODE QUICK PAIRING: Hold the function button for 3 seconds to turn it on. Slide the switch to RX mode—the indicator light will turn BLUE. Pair the C28 in your phone's Bluetooth settings. Once paired, you can play audio from your phone.

TX MODE QUICK PAIRING: Hold the function button for 3 seconds to turn it on. Slide the switch to TX mode—the indicator light will turn RED. Put your Bluetooth headphones in pairing mode. They'll automatically search for and connect to the Bluetooth adapter. Once connected, the RED light stays on. If sound only comes through one side (or no sound at all), adjust the audio output settings on your TV.

QUICK PAIRING TIP: 99% of pairing issues happen because headphones aren't in pairing mode. Fix it fast: Google your headphone model for step-by-step solutions. Not applicable to AirPods.

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KAIY Strapping Tape, 2 Roll 1/2 inch x 60 yds Packing Tape, Heavy Duty Reinforced Fiberglass Tape, Transparent, Waterproof, 100 lbs per inch Tensile Strength

Filament Tape

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INDUSTRIAL-GRADE STRENGTH: Our filament tape, also known as reinforced packing tape, is fortified with fiberglass strands. It boasts an astonishing tensile strength of up to 100 lbs per inch! This makes it the go - to choice for heavy - duty packing, securing shipping pallets, and stabilizing industrial equipment. Resistant to moisture and temperature variations, it thrives in even the harshest environments.

UNMATCHED DURABILITY THAT LASTS: Tired of tapes that tear, abrade, or scuff easily? Our filament tape says no to such issues. Even under extreme pressure, it remains intact. Its transparent design is a game - changer as it allows for seamless box sealing without covering up important labels. It's the perfect fiber tape for long - term use.

WEATHERPROOF AND INCREDIBLY VERSATILE: Whether it's rain, shine, or snow, our weatherproof tape is up for the challenge. The waterproof adhesive bonds instantly to cardboard, plastic, and metal surfaces. Use it indoors or outdoors! It's perfect for moving boxes, wrapping warehouse pallets, making automotive repairs, or for HVAC installations.

COST - EFFECTIVE VALUE THAT CAN'T BE BEAT: Get more bang for your buck with our package that includes 2 rolls (1/2" x 60 yds each), which is equivalent to a whopping 3600 inches of tape! It's a cost - effective solution for both professionals and DIY enthusiasts. Whether you're sealing cartons, reinforcing bundles, or stabilizing heavy loads, this fiber reinforced packing tape has got you covered.

TRUSTED BY PROFESSIONALS AND LOVED BY DIYERS: Logistics companies rely on our tape for secure carton sealing, while DIY enthusiasts use it for various projects. It's compatible with standard tape dispensers, ensuring a fast and hassle - free application. And with what's in the package - two rolls of 1/2 - inch - heavy - duty packing tape, you'll have enough to handle multiple projects and stay stocked for future needs.

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KAIY Bluetooth Receiver for Home Stereo, Bluetooth to RCA Adapter for Old Receiver with 3D Surround, Low Latency 3.5mm Audio Adapter for Old Speakers/Vintage Stereo, Support TF Card Play Music

Wireless Audio Receivers & Adapters

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UPGRADE YOUR WIRED DEVICES TO WIRELESS: Tired of tossing your beloved old stereo, wired speakers, or car audio system just because they lack Bluetooth? This Bluetooth adapter for old receiver is your perfect solution! Bluetooth audio receiver with 3.5mm AUX + RCA (Red/White) dual interfaces, it fits 99% of wired audio devices, instantly turning your vintage hi-fi, desktop speakers, or car stereo into a modern wireless system.

3D SURROUND SOUND: Forget flat, one-dimensional audio! Our Bluetooth adapter for stereo receiver exclusive one-touch 3D sound mode that upgrades your listening experience with enhanced stereo separation and depth. Vocals feel, Instruments have layered depth, Bass richer, highs crisper, 3D turns ordinary listening into a cinematic, immersive journey.

RCA PORT FOR VINTAGE HI-FI & STEREOS: Bluetooth audio adapter designed for classic audio systems! The RCA (red/white) interface is the gold standard for vintage stereos, amplifiers, and home speakers. No signal degradation, Plug-and-play with old receivers, Ideal for retro audio lovers who want to keep their beloved gear while enjoying wireless streaming.

3.5mm AUX PORT UNIVERSAL SOLUTION: Bluetooth receiver for speakers with a 3.5mm AUX jack is your "all-in-one adapter" for everyday use Car audio Small speakers Compact design. No tangled wires, no fumbling with cables, stream from your phone while driving or working!

2 PLAYBACK MODES + BLUETOOTH 5.3: Dual Modes: Bluetooth 5.3 (stream from phone/tablet/laptop) + TF Card Playback (directly play MP3/WAV files from TF card, up to 32GB) 33ft Stable Range: Move freely around your home/office/car, no dropouts or signal interference Auto-Reconnect: Instantly pairs with your last device (no repeated setup)

PERFECT FOR HOME USE: RCA Bluetooth adapter transforms any space with wireless audio, Living room stereos, bedroom speakers, garage audio, and AUX-equipped vehicles, Gyms, restaurants, retail stores, churches, and offices.

IMPORTANT: Receiver Only Designed for wired speakers/stereos/car audio (NOT compatible with TVs, Bluetooth headphones, or devices that require a transmitter). Needs USB power (AC adapter not included).

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KAIY FM Transmitter Bluetooth Car Adapter, Car Radio Bluetooth Transmitter HandsFree Calling Music Player, FM Radio Adapter 42W Type-C Fast Charging, Support USB Drive

MP3 Player FM Transmitters

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CRYSTAL-CLEAR HANDS-FREE CALLS: Our car Bluetooth adapter uses CVC 8.0 noise cancellation to block road noise, wind, and engine rumble, ensuring every word comes through crisp and clear. Answer/end calls or redial with a single button. keep your eyes on the road, not your phone.

3 WAYS TO STREAM YOUR TUNES: Bluetooth 5.3 Wireless, Pair your phone in seconds for seamless, lag-free music streaming (works with Spotify, Apple Music, podcasts). USB Flash Drive Playback, Plug in a USB drive loaded with MP3/WMA files for instant access to your offline library. AUX Input, Connect older devices via 3.5mm cable for classic, reliable sound.

2-DEVICE FAST CHARGING POWERHOUSE: Bluetooth adapter for car can charge two devices at once with our dual-port design. 30W Type-C Port: Juice up your iPhone/Android from 0% to 80% in just 30 minutes. 12W USB-A Port: Ideal for headphones, smartwatches, or tablets—keep all your gadgets powered on long trips.

STABLE CONNECTION, ZERO DROPOUTS: Car radio Bluetooth powered by Bluetooth 5.3, enjoy a rock-solid connection with 33ft range. Auto-reconnects to your last paired device when you start the engine. no hassle, just instant playback.

REAL-TIME BATTERY MONITORING: Plug car Bluetooth transmitter into your car's cigarette lighter to see your car battery voltage at a glance (12V-24V compatible for cars, trucks, SUVs). Bluetooth for car built-in protections guard against over-current, over-voltage, short circuits, and overheating—safe for your devices and vehicle.

UNIVERSAL COMPATIBILITY FOR ALL YOUR GEAR: Bluetooth cigarette adapter for car works with all Bluetooth devices such as iPhones (16/15/14/13), iPads, Samsung Galaxies, Google Pixels, and more. No app required, just plug into your car cigarette lighter, tune to the FM frequency, pair your phone, and play instantly.

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Airplane Bluetooth Adapter for AirPods Headphones, Bluetooth Transmitter for TV/PC/Gym, 3.5mm Audio Receiver for Home Stereo/Old Speaker/Car Handsfree Call, KAIY Wireless Transmitter Receiver 2 in 1

Wireless Audio Receivers & Adapters

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TRAVEL WITHOUT LIMITS: This compact Bluetooth adapter for airplane hooks right into in-flight entertainment, pairing seamlessly with your Bluetooth headphones. With a 15-hour battery, it lasts the entire flight, so you can stream movies, podcasts, or playlists from takeoff to touchdown without recharging.

CUT THE CORD AT HOME: Flip to transmitter mode, connect to your TV, and sync with your Bluetooth headphones. This Bluetooth adapter for TV ensures that the audio and picture are synchronized without delay, allowing you to enjoy a cinema-like action movie experience on the sofa without leaving home.

TURN YOUR HOME/CAR STEREO WIRELESS: Plug this Bluetooth audio receiver into the home speakers' 3.5mm jack, and suddenly you're streaming music from your phone. Old car stereo missing Bluetooth? The auxiliary Bluetooth adapter for car's built-in mic kills background noise, so conversations stay sharp.

BLUETOOTH 5.3 = ZERO HEADACHES: The airplane headphone adapter is built with Bluetooth 5.3 for rock-solid connections. Roam up to 33 feet from your TV, plane screen, or car, no lag, no dropouts, just smooth audio every time.

WORKS WITH EVERYTHING: From airplane entertainment systems and home TVs to gym equipment and car stereos, if it has a 3.5mm port, this Bluetooth to aux adapter plays nicely. Compatible with all major headphone brands, including AirPods.

QUICK PAIRING TIPS: AirPods 1/2/3/Pro: Hold the back button until the light flashes white. AirPods 4: Double-tap the front of the case—light flashes white, you're set. AirPods Max: Hold the noise control button for 5 seconds till the light flashes. Still stuck? A quick search for your headphone model will sort it.

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KAIY Airplane Bluetooth Adapter for Headphones, Bluetooth Transmitter for TV PC Headphones, Music Receiver for Home Stereo/Speakers, 3.5mm AUX Jack Wireless Audio Adapter for Car/Boat/Gym

MP3 Player Bluetooth Transmitters

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IN-FLIGHT WIRELESS ENTERTAINMENT: Say goodbye to uncomfortable, low-quality airline headphones. Plug this Bluetooth adapter for airplane into your plane's seatback audio jack, pair with your Bluetooth headphones, and enjoy wireless entertainment throughout your flight.

TRANSMITTER (TX) MODE: Airplane Bluetooth adapter sends audio wirelessly from airplanes, TVs (non-Bluetooth), PCs, and gaming consoles to your Bluetooth headphones or earbuds.

RECEIVER (RX) MODE: Bluetooth transmitter receiver converts your wired car stereo or home speaker into a Bluetooth-enabled device. Stream music wirelessly from your smartphone or tablet.

SUPERIOR BLUETOOTH 5.3 TECHNOLOGY: Enjoy a premium audio experience thanks to the Bluetooth adapter for TV, with the latest Bluetooth 5.3 technology. It delivers high-fidelity sound quality, incredibly low latency for perfect audio-video sync, and a rock-solid connection with an impressive 33-foot operating range.

CRYSTAL CLEAR CALLING: The Bluetooth airplane adaptor integrated microphone with advanced noise reduction technology allows you to make and take hands-free calls with exceptional clarity in your car or at your desk.

LONG-LASTING BATTERY & QUICK CHARGE: Airplane headphone adapter engineered for long journeys and daily use, the built-in battery provides up to 14 hours of continuous playtime. It recharges quickly via the included USB-C cable.

MASSIVE COMPATIBILITY: Our 3.5mm Bluetooth adapter is designed to work with a vast range of devices: airplanes, TVs, cars, headphones, home stereos, speakers, PCs, Nintendo Switch, and more.

BLUETOOTH TRANSMITTER FOR HEADPHONES: Our TV Bluetooth transmitter is compatible with every AirPods headphone model. Connecting is a breeze! Just switch the Bluetooth transmitter to "TX" mode (you'll see a fast-flashing red light when it's waiting to pair). Then, put your headphones into pairing mode. Once paired, the Bluetooth transmitter's red light will flash slowly.

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KAIY Wearable Bluetooth Speaker with Mic, Portable Clip On Speakers Small Outdoor Wireless Speaker for HandsFree Calls IPX6 Waterproof, 10 Hour Playtime Gadgets Electrician Gifts for Men & Women, Blue

Portable Bluetooth Speakers

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UPGRADED CLIP-ON DESIGN: Wherever your day takes you, this clip on Bluetooth speaker stays put. The reinforced clamp grips tight to shirts, backpacks, or jackets, no bouncing, no slipping, even when you're hauling gear, hitting the trail, or bouncing around a warehouse. Perfect for forklift operators, runners, campers, or electricians.

FEATHERLIGHT DESIGN: At just 2.1oz, this small Bluetooth speaker slips easily into your pocket, gym bag. No bulk, no hassle, grab and go, whether you're heading to work or weekend adventures.

IPX6 TOUGH BUILT FOR REAL LIFE: Rainstorms? No sweat. Accidental dunks in the lake? No problem. Coffee spills at the job site? It shrugs them off. Dust, drops, and daily chaos, this mini Bluetooth speaker laughs at it all. Built tough enough for your messiest, busiest days.

10+ HOURS OF NONSTOP PLAY: speaker bluetooth waterproof crank out 10+ hours of music, podcasts, or calls on one charge, ultra-light speaker enough to last a full work shift, an all-day hike, or a Saturday errand marathon. No need to hunt for an outlet mid-adventure.

TINY SPEAKER, MASSIVE SOUND: Who says small can't roar? This loud waterproof Bluetooth speaker pumps out crisp, clear audio with surprising depth, even cranked to max volume. Blast your workout jams or catch every word of a podcast, no distortion, no weak spots.

BLUETOOTH 5.4: Ditch the lag and dropouts. Bluetooth 5.4 locks in a 33ft range and pairs 2x faster than old versions. Connect in seconds, move freely, and enjoy running portable Bluetooth speaker and seamless sound, no more mid-song interruptions.

CRYSTAL CLEAR CALLS, EVEN IN CHAOS: Our noise-cancelling Bluetooth speaker with microphone built-in mic zaps 90% of background noise, machinery, wind, chatter, so your calls sound like you're in a quiet room. Answer hands-free while lifting boxes, stirring chili, or fixing a bike.

THE GIFT THAT GETS USED: This portable wireless Bluetooth speaker is for the people who do things.For the early-morning runner: clips to their gear, plays their playlist, and takes calls without breaking stride.For the weekend DIYer: laughs off sawdust, lets them chat hands-free while fixing the fence.For the busy parent: stays put during school runs, keeps podcasts going while cooking, and makes calls clearly over kid chaos.

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KAIY Bluetooth Transmitter Receiver Aux Adapter, Low Latency Dual Link Airplane Bluetooth Adapter for Headphones/TV/Car/PC/Gym/Home Stereo, Wireless Audio Receivers with Noise Cancelling Mic

Wireless Audio Receivers & Adapters

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FLIGHT-READY WIRELESS FREEDOM: Say goodbye to crappy airline headphones! Our Bluetooth adapter for airplane plugs directly into any in-flight entertainment system with a standard 3.5mm jack, letting you stream movies and music wirelessly to your favorite headphones. The AUX Bluetooth adapter with an 11-hour battery life, which easily powers through long-haul flights or cross-country trips.

DUAL AUDIO STREAMING: Watch a movie with your travel buddy, or let your kids enjoy their shows without fighting over wires. This Bluetooth aux adapter connects to two wireless headphones simultaneously, with zero lag and crystal-clear sync. Perfect for flights, road trips, or late-night TV binges without disturbing others.

Transmitter (TX) Mode: AUX to Bluetooth adapter beams audio from airplanes, TVs, PCs, Nintendo Switch, PS5, or gym equipment to your Bluetooth headphones/speakers. Works with any device featuring a 3.5mm jack.

Receiver (RX) Mode: Bluetooth audio adapter transforms your old car stereo, wired home speakers, or vintage amplifiers into wireless powerhouses. Stream music directly from your phone or tablet. Supports dual device pairing (e.g., phone + tablet) for seamless switching.

BLUETOOTH 5.4: Zero Audio Delay: Perfect for gaming, movies, and calls—no annoying lip-sync issues. Extended 33ft Range: Stable signal across large rooms, even with obstacles.Faster Pairing & stronger anti-interference than older Bluetooth versions.Enhanced Encryption: Keep your connections secure and private.

UNIVERSAL COMPATIBILITY: The Airplane Bluetooth Adapter works with all 3.5mm in-flight entertainment systems. Airplane Headphone Adapter is compatible with Bluetooth headphones such as AirPods (Pro/Max), Bose QC series, Sony WH-1000XM series, and Sennheiser. Bluetooth audio transmitters can be used with TVs, cars, projectors, treadmills, and even retro stereos.

HANDS-FREE CAR KIT: Auxiliary Bluetooth adapter for car built-in microphone with CVC 8.0 noise cancellation ensures crisp calls, even on noisy highways. Control volume, skip tracks, or answer calls directly from the adapter.

EXPERT TIP: 99% of pairing issues occur because your headphones aren't in pairing mode. If you run into trouble, quickly Google your headphone model + “pairing mode” for step-by-step guides.

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KAIY Clip On Bluetooth Speaker, Wearable Portable Bluetooth Speaker with Handsfree Call, Small Outdoor Speakers with IPX6 Waterproof and Dustproof, 10 Hour Perfect for Running Hiking, Yellow

Outdoor Speakers

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SECURE CLIP-ON DESIGN: Engineered with a reinforced spring clamp, this wearable bluetooth speaker locks securely onto backpacks, belts, or tool pouches. It grips tight through jumps, sprints, and climbs—zero bounce, zero slip. The small Bluetooth speaker is perfect for electricians on ladders, runners on trails, or playground adventures.

ULTRA-LIGHTWEIGHT & PORTABLE: Weighing only 2.1oz, this featherlight mini Bluetooth speaker tucks easily into gym shorts, bike handlebars, or tool belts. No bulk, no hassle. Just clip, play, and live your life on the move.

IPX6 RUGGED PROTECTION: This waterproof Bluetooth speaker is built to withstand monsoon-level rain. Coffee spills on your workbench? Wipes clean. Dust storms from warehouse fans? Seals tight. Speaker Bluetooth Waterproof is your ideal companion for the messiest situations.

CRYSTAL-CLEAR CALLS WITH NOISE CANCELLATION: Portable Bluetooth speaker with noise-canceling mic eliminates 90% of background noise—machinery, wind, chatter—so your calls sound like you're in a quiet room. Answer hands-free while working, cooking, or exercising.

ALL-DAY 10+ HOUR PLAYTIME: Crank out 10+ hours of music, podcasts, or calls on a single charge. This long battery life mini Bluetooth speaker lasts a full work shift, an all-day hike, or a Saturday errand marathon—no need to hunt for outlets mid-adventure.

SURPRISING SOUND QUALITY: Who says small can't roar? This speaker Bluetooth waterproof delivers crisp, clear audio with impressive depth, even at max volume. Blast your workout jams or catch every podcast word, no distortion, no weak spots.

ADVANCED BLUETOOTH 5.4 CONNECTIVITY: Bluetooth 5.4 technology ensures quick pairing, stable connections within a 33ft range, and seamless sound without dropouts. Move freely with no mid-song interruptions.

THE PERFECT PRACTICAL GIFT: This Bluetooth speaker with microphone hits the sweet spot: practical for early-morning runners, handy for DIY enthusiasts, and sleek for on-the-go friends. Every time they clip it on—whether commuting, camping, or working—they'll appreciate how well it fits their lifestyle.

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KAIY Bluetooth Receiver for Car AUX, Hands-Free Calling & Music Bluetooth Audio Receiver for Car USB-Powered, 3.5mm Adapter USB 2.0 to 3.5mm Jack Compatible with Speakers/Home Stereo

Bluetooth Car Kits

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WIRELESS CAR AUDIO REINVENTED: Revolutionize your drives with our aux Bluetooth adapter. Pair any Bluetooth-enabled device—smartphone, tablet, or music player—and let your favorite tracks pump through your car's speakers. It's the definitive upgrade for in-vehicle audio.

SAFE, SEAMLESS HANDS-FREE CALLING: Road safety simplified. Our car Bluetooth aux adapter features a high-fidelity microphone for crystal-clear calls. Answer or dial with a single press—no fumbling. It toggles effortlessly between music and calls, while a versatile control button manages audio and calls, keeping your hands on the wheel.

YOUR NONSTOP MUSIC CO-PILOT: Turn every commute into a sonic journey. This aux Bluetooth adapter for car elevates the fun and keeps you secure—no compromise.

POWERED BY NEXT-GEN TECH: Bluetooth to aux adapter equipped with cutting-edge Bluetooth 5.3, our 3.5mm audio adapter delivers ultra-responsive, rock-solid connectivity. With negligible audio degradation and a 33-foot range, premium sound stays consistent for the entire ride.

SETUP? LITERALLY SECONDS: No complex steps. Plug the auxiliary Bluetooth adapter into your car's AUX port, power via USB, and you're set. It auto-activates and shuts down with your vehicle—no extra charging or hassle.

UNIVERSAL FIT: AUX to Bluetooth works with nearly all devices. Compatible with most car head units, home audio systems, and any device with a standard 3.5mm AUX port. Connect, pair, and stream wirelessly in seconds.

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Bluetooth Receiver for Home Stereo, Bluetooth Adapter for Old Receiver with 3.5mm/Optical/COAXIAL Low Latency, 3D Surround Volume Control Wireless Audio Receivers, Support TF Card Playback KAIY

Wireless Audio Receivers & Adapters

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UPGRADE ANY AUDIO SYSTEM: Stop replacing expensive equipment! This stereo receiver with Bluetooth instantly adds modern wireless streaming to 99% of audio systems. Connect via Optical, COAXIAL, or 3.5mm AUX port to transform your old home stereo, car audio, TV setup, desktop speakers, or vintage amplifier into a Bluetooth-enabled powerhouse.

HD AUDIO & 3D SURROUND SOUND: Experience lossless, interference-free digital audio through the Optical port. Bluetooth adapter for old receiver is perfect for your soundbar or home theatre to preserve every detail in movies and games. The COAXIAL port ensures stable, rich sound for Hi-Fi systems. With low latency and enhanced 3D surround sound technology, enjoy perfectly synchronised audio for an immersive listening experience.

BLUETOOTH 5.3 LONG-RANGE STABILITY: Equipped with the latest Bluetooth 5.3 chip, this Bluetooth adapter for stereo receiver offers an extended range up to 33 feet and a rock-solid connection. It automatically reconnects to your last paired device and supports seamless streaming from your phone, tablet, or laptop, whether you're on the couch, in the bedroom, or in a backseat.

PLUG-PLAY & MULTI-FUNCTION CONVENIENCE: True plug-and-play setup—no drivers needed. Beyond Bluetooth, play your music directly via the TF Card playback function. Bluetooth audio receiver is ideal for versatile use at home, in the office, or for background music in businesses like gyms, restaurants, retail stores, and churches.

RECEIVER-ONLY DESIGN: This device is a Bluetooth RECEIVER only (not a transmitter). It is designed exclusively to receive wireless signals from your devices and stream audio TO your wired speakers or stereo system. It cannot transmit audio to wireless headphones from a TV.

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Bluetooth Transmitter for TV to 2 Headphones with HiFi ARC Low Latency, Bluetooth Transmitter Receiver LCD Display Adjustable Volume, AUX/Optical/Coaxial Audio Receiver for Home Stereo KAIY

MP3 Player Bluetooth Transmitters

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WIRELESS HOME ENTERTAINMENT ESSENTIAL: ARC to Bluetooth adapter transforms your home audio experience! The Bluetooth transmitter for headphones is perfect for streaming TV audio to wireless headphones/speakers or making your old stereo system wireless.

DUAL LINK STREAM TV AUDIO WIRELESSLY: The Bluetooth adapter for TV enables TVs and other devices to stream high-quality digital audio to up to two Bluetooth headphones or speakers, wirelessly. Experience full freedom of movement, listen without bothering those around you, and block out distractions with the TV Bluetooth transmitter and your favorite pair of Bluetooth wireless headphones.

ENHANCED COMPATIBILITY: The fully upgraded Bluetooth transmitter receiver features an HiFi ARC port, ensuring you can use the latest devices with zero-lag gaming and studio-quality sound, perfect for next-generation TVs and consoles. Bluetooth audio transmitter still keeps AUX/Optical/Coaxial for 99% device compatibility.

ZERO LAG PERFECT AUDIO SYNC: Our Bluetooth audio transmitter for TV adopts Low Latency technology, ensuring every word on the screen matches the lip movement perfectly. Dive into your favorite shows, movies, and live events without any annoying delays.

POWERED BY BLUETOOTH 5.4: With Bluetooth 5.4 wireless technology, the Bluetooth transmitter for speakers transmits clear, distortion-free digital audio to Bluetooth headphones, speakers, and other receivers up to 33 feet away. There is no white noise, no need to “tune” for the right frequency, and no way for a stranger to listen in on your audio stream simply by having similar headphones.

VISUAL CODEC DISPLAY: We also upgraded the Bluetooth TV adapter with a bright, easy-to-read display, which clearly shows your current mode, the connected devices, and your volume level at a glance. In Transmitter Mode, the device automatically finds nearby Bluetooth headphones by name, so pairing takes just a single click.

PLAY MUSIC FROM USB Flash Drive: Flexible music playback at your fingertips! The wireless adapter for wired speakers can directly play your favorite audio files from a USB flash drive. Enjoy endless entertainment options.

USB-POWERED: Bluetooth TV transmitter with power cables allows you to connect to your TV or a USB Wall Charger. You can also power it from your TV's USB Port or other USB sources without issue. No power adapter is included.

HEADS UP! 99% of Bluetooth headphone pairing issues happen because the headset isn't in pairing mode. Just Google your headset model—you'll find a quick fix that way. Not compatible with the AirPods series.

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KAIY 3.5mm Male to Male Audio Adapter 3.5mm Stereo Coupler Adapter Connector, AUX 1/8" TRS Stereo Plug Jack, Compatible with Car AUX Audio Laptop MP3 Miniature TV Tuning Equipment

Audio & Video Connectors & Adapters

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CONNECTORS: 1/8 Inch 3.5mm Mini Stereo Plug. Quickly connect two female 3.5mm plugs with this 3.5mm stereo male to male adapter plug.

1/8 INCH MINI STEREO MALE PLUG: The adaptor is made of steel and is very strong and rigid a great choice for your car's auxiliary 3.5mm Jack and compact MP3 Players or Cellphones to play music and this adaptor is shielded to reduce RFI and EMI interference and can also be a gender changer by changing a 3.5mm Jack to a 3.5mm Plug.

MALE TO MALE ADAPTER: Stereo audio adapter, earphone, headphone connector converter, 3.5mm male to male Jack coupler for MP3 players, laptops, and PCs. 3.5mm adapter is compatible with Bluetooth transmitters, receivers, and speakers, as well as headphones, MP3 players, and vehicle stereos.

3.5MM MALE TO MALE AUDIO ADAPTER: Join 2 female 3.5mm STEREO cables or devices together with this TRS (2 band) stereo male to male coupler. This coupler supports a left/right (plus ground) audio connection.

What You Get: Package including 2 Pack 3.5mm 1/8'' Stereo Jack Male to Male Adapter.

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KAIY Dual 3.5mm Male to 3.5mm Female Airplane Headphone Adapter, Airplane Jack Adapter for Headphones Plane Splitter, Airline Dual Jack Flight Connector for EVA Airlines/Delta/Virgin/Emirates (2 Pack)

Headphone Adapters

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ELEVATE YOUR IN-FLIGHT AUDIO EXPERIENCE: Our airplane headphone adapter features high - quality gold - plated connectors. These are meticulously designed to ensure you get the best - in - class listening experience from your headphones and earphones during air travel. It's truly a must-have among airplane adapters for headphones.

EFFORTLESS DUAL-PRONG TO STEREO JACK CONVERSION: This nifty device converts a twin 3.5mm (1/8 inch) mono airplane-type socket to a single stereo 3.5mm (1/8 inch) headphone socket. This dual prong airplane adapter is highly applicable to most airlines and airplanes out there, such as EVA Airlines / Delta / Virgin / Emirates.

UNIVERSAL COMPATIBILITY FOR ALL YOUR HEADPHONE NEEDS: With its universal design, ourairline cable audio jack is compatible with a wide range of headphones. Whether you prefer the snug fit of in-ear buds or the immersive sound of over-ear cans, as long as they have a 3.5mm jack, you're good to go.

ULTRA - PORTABLE AND USER - FRIENDLY: Weighing next to nothing and sporting a compact design, this airplane jack adapter is a breeze to carry around. You can easily stash it in your pocket, wallet, or with your earphones. The installation process? There isn't any! It's a true plug - and - play airfly adapter for airplane. Just plug the adapter into the airline jacks, connect your headphones, and you're set to enjoy a noise - reduced, comfortable audio experience for the duration of your flight.

DUAL UNITS IN A PACK: Our package includes 2 high-quality airline headphone audio jack adapters. This means you can keep one in your travel bag, one at home, and even share with friends who also love to travel in style with their headphones.

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KAIY Violin Fine Tuner for 3/4 4/4 Violin, Violin String Fine Adjuster Tuners Stainless Metal String Spinner Adjuster, Nickel Plated Anti Rust, 4 Pcs Black

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COMPATIBLE WITH: Fine tuners suitable for 4/4 - 3/4 acoustic violin, also work for electric violin that has a tailpiece similar to an acoustic violin's tailpiece.

HIGH QUALITY: Made of durable metal, smooth and tidy. Nickel-plated, rust-proof, anti-bending and twisting, strong and can be used for a long time.

EASY TO INSTALL: These fine tuners for violin are very easy to install, no tools are required. 4 metal string adjusters are enough to accommodate E, A, D, G string, Or it can be used only for E string.

SENSITIVE & ACCURATE: These violin fine-tuners can be used with loop or ball end strings, steel or rope core strings. They are very sensitive and can easily adjust the violin again for accurate tuning, saving time and energy.

PERFECT VIOLIN REPLACEMENT: The fine tuners ensure that the violin strings are in the correct position when tuning, great for violin stability and string vibration, great adjust parts and replacement.

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KAIY Strapping Tape Heavy Duty Fiberglass Tape Filament Reinforced Packing, 3/4 inch x 60 yds, High Tensile Strength Packing for Shipping, Moving, Carton Sealing, Transparent, Moisture Resistant

Filament Tape

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100 LBS TENSILE STRENGTH: Reinforced with interwoven fiberglass strands, this fiberglass tape delivers industrial-grade durability for heavy lifting. Ideal for securing pallets, reinforcing moving boxes, or bundling pipes, stands up to 100 lbs of pull per inch without tearing or stretching.

WEATHERPROOF & ABRASION RESISTANT: The thick, transparent film backing shields against moisture, scuffs, and sharp edges, reinforced packing tape keeping packages intact in rain, snow, or rough handling. Perfect for warehouse storage, outdoor projects, or shipping heavy machinery.

CLEAR VISIBILITY + LONG-LASTING HOLD: The filament tape's crystal-clear design lets you easily read labels or inspect contents without peeling the tape. UV-resistant adhesive stays sticky for years, preventing boxes from sagging or opening over time, no more re-taping old storage bins!

WORKS EVERYWHERE YOU NEED ROCK-SOLID SUPPORT: Moving & Shipping: Reinforce cardboard boxes for cross-country moves. Industrial Use: Secure pipes, lumber, or equipment in factories or job sites. DIY Projects: Repair furniture, seal outdoor gear, or bundle garden tools.

WHAT YOU GET: 1 roll of 3/4" wide x 60 yds long fiber tape. Ready to tackle heavy-duty packing, palletizing, or emergency repairs, the alternative to metal strapping or flimsy plastic tapes

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Bluetooth Transmitter for TV to Headphone/Speakers, RCA to Bluetooth Transmitter Receiver with Low Latency/Music Volume Control, AUX Adapter for Stereo Receiver Support USB Flash Drive/TF Card KAIY

MP3 Player Bluetooth Transmitters

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WIRELESS HOME ENTERTAINMENT ESSENTIAL: TV Bluetooth adapter transforms your home audio experience! The Bluetooth adapter for TV is perfect for streaming TV audio to wireless headphones/speakers or making your old stereo system wireless.

ZERO LIP-SYNC LAG: Enjoy seamless audio-visual synchronization! Our Bluetooth transmitter for headphones ensures every word on the screen matches the lip movement perfectly. Dive into your favorite shows, movies, and live events without any annoying delays.

UNIVERSAL COMPATIBILITY: The RCA to Bluetooth transmitter is compatible with both old and new TVs, as well as any other devices with RCA or 3.5mm stereo audio output, including computers, tablets, digital streaming boxes, older speakers, home stereo, and more. All cables are included.

LONG-RANGE & STABLE CONNECTION: With Bluetooth 5.4 wireless technology, the Bluetooth TV adapter transmits clear, distortion-free digital audio to Bluetooth headphones, speakers, and other receivers up to 33 feet away. There is no white noise, no need to “tune” for the right frequency.

PLAY MUSIC FROM USB/TF CARD: Flexible music playback at your fingertips! The Bluetooth TV headphone adapter can directly play your favorite audio files from a USB flash drive or a TF card. Enjoy endless entertainment options.

CLEAR LED INDICATORS: No more guessing. The Bluetooth adapter for stereo receiver with a bright LED display shows pairing status, mode, volume, and connection info at a glance. Easy to use and keep track of your device's status.

VERSATILE & PORTABLE: Bluetooth adapter for older stereo comes with all necessary cables for home stereo, theater, and office use. Works with TV, home stereo, headphones, hearing aids, speakers, etc. USB-powered for easy connectivity, use your TV's USB port or a wall charger (no power adapter included).

PAIRING TIPS FOR HEADPHONES: 99% of the time, pairing failures between headphones and a Bluetooth TV adapter occur since the headphones aren't in Automatic Pairing Mode. Just Google your headphones model—you'll find a quick fix that way.

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KAIY FAQs

Is KAIY Legit?

Yes, KAIY is a legitmate brand on Amazon. After conducting a comprehensive analysis of 590 customer reviews for KAIY products on Amazon, we have determined its average rating. Offering great value and satisfying quality, KAIY has achieved a respectable rating of 4.4 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from KAIY on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

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View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more KAIY products.

How does findthisbest choose the top KAIY products?

We analyze millions of KAIY products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

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Go to the KAIY page.
Select the product you want in the KAIY buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product KAIY Bluetooth 5.3 Receiver for Home Stereo, Optic..., you can view it on Amazon page.
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Our mission is to provide you with the most up-to-date and objective information about the KAIY products, helping you make more informed buying decisions. We recommend best choices of the products from the KAIY brand, helping you make better shopping choices with less time and energy.

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