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When purchasing a product, price is the consumer's primary concern. At present, Koolertron has 35 products for sale. Koolertron products range in price from $16.99 to $323.99, and the average price of all the products is about $69.56.

You can confidently purchase Koolertron products from the seller xunlefei. The brand holds an average rating of 4.2, testifying to its excellent reputation.

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Last Updated: Jan 12, 2025

Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz)

Function Generators
Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz) Cover
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Arbitrary Waveform Generator adopts large scale FPGA integrated circuit and high-speed MCU microprocessor. The internal circuit adopts the active crystal oscillator as the benchmark. So the signal stability is greatly strengthened.
Using Dual-channel DDS signal and TTL electric level output to generate precise, stable, low distortion output signal. includes Sine wave, Square wave, Triangle wave, Saw toothwave, Pulse wave, white noise, user-defined waveform etc. each channel can be independently set the parameters.
With linear sweep(Max. up to 999.9s) and logarithmic frequency sweep functions.Has a frequency measurement, period measurement, positive and negative pulse width measurement and counting function.
Storage feature: You can store 99 groups instrument state parameters set by the user, can be called up to Reproduce.The frequency output of Sine wave can be up to 15MHz. 200MSa/s sampling rate. It has 60 positions for saving user-defined waveform. Waveform Length of each one is 2048 and vertical resolution is 14 bits
This Signal Generator is the ideal instrument for electronic engineering, laboratories, production lines, teaching and scientific research.

Koolertron 5 inch Digital Video Magnifier, Handheld Portable Electronic Reading Aid Support AV Output to TV with 4X/8X/16X/24X/32X Zoom Multiple 17 Kinds Color Mode, Rechargeable Battery Powered,etc

Camera Loupes
Koolertron 5 inch Digital Video Magnifier, Handheld Portable Electronic Reading Aid Support AV Output to TV with 4X/8X/16X/24X/32X Zoom Multiple 17 Kinds Color Mode, Rechargeable Battery Powered,etc Cover
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5inch big screen, 4X/8X/16X/24X/32X switchable magnification
Support picture freeze to take a close look. Support take photos, HD storage and playback of text and image.
Support temporary lighting flashlight, TF card(not included). Screen backlight can be adjusted. Memory function can automatically save the user all the last settings and remember the user's habits.
AV output connecting to TV to provide greater and clearer visual effects.
Large capacity removable rechargeble 2500mAh battery, the ultimate power-saving design, 4 hours runtime. Automatic shut-down after the screen is static and no operation for 3 minutes.

Koolertron Single-Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys (39 Keyboard Black)

Keyboards Wireless Keyboards
Koolertron Single-Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys (39 Keyboard Black) Cover
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[All 23 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 104 buttons, 8 web navigation buttons, 8 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons
[All Macro Keys] There are 24 macro function buttons, 12 of which are advanced macros, 12 are quick macros. Macro functions can be used in series and can support up to 792 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operations
[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors
[Portable Mini Keypad] Portable Mini keypad，5"x 3.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other
[RGB Backlight] RGB backlight can be customized to the player's desired color, supports 4 kinds of cool lighting effects. The backlight brightness can be adjusted/turned off
Hot Plug: supports hot plug and is equipped with a key cover puller, you can DIY various effects according to your needs
Mouse Function: Added mouse function, you can control cursor movement, click, and sliding functions through keys

Koolertron 7 inch LCD Digital Microscope with 32G TF Card,12MP 1200X Magnification 1080P USB Microscope Camera,PC View,Rechargeable Battery,Fill Lights Microscope for Coin/Plant/Rock/Circuit Board

Digital Microscopes
Koolertron 7 inch LCD Digital Microscope with 32G TF Card,12MP 1200X Magnification 1080P USB Microscope Camera,PC View,Rechargeable Battery,Fill Lights Microscope for Coin/Plant/Rock/Circuit Board Cover
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[7-inch large LCD screen] Koolertron Digital Microscope is equipped with a 7-inch high-definition display, more clear and convenient observation, reduce visual fatigue. 12 megapixels, 1-1200 times continuous magnification
[2 Additional Auxiliary Lights] This Digital USB Microscope is equipped with 8 LED lights and 2 additional auxiliary lights with adjustable brightness. It can provide excellent details and best clarity, and allow to take photos or videos in some dark places.
[Image and video saving and output] The Coin Microscope is equipped with a Micro SD card slot. You can save the images and videos obtained during observation to the card and output them. This microscope is equipped with a 32G Micro-SD card (supports up to 64G Micro SD card)
[Support PC real-time view] This 7 inch Koolertron Microscope also supports the ability to connect to a computer to synchronize the lens screen and perform some necessary operations, making it easy to save files or multiple people to observe at the same time. If you have any questions about installing the software, the steps to connect to the computer, please feel free to contact our team.
[3000 mAh rechargeable lithium battery] This 7 inch Handheld Digital Microscope is powered by rechargeable lithium-ion battery or directly via USB to better support your work outdoors.
[Height and angle adjustable stand LCD Microscope] The stand can adjust the distance between the camera and the object to get different magnification and some space for operation. The angle of the stand can also be adjusted so that the user can choose the most comfortable and appropriate angle from the display.
[Widely used and *Great Gift] This Koolertron microscope is perfect for circuit board inspection, QC inspection, watch repair, textile industry, children's educational inspection, biological observation (not suitable for cells), medical professionals, scientific researchers, insects, coins, jewelry and stamps. It is a perfect gift for children, students, hobbyists and other users.

Koolertron Camera Case Dslr Camera Insert Bag Purse Universal Liner Lens Pouch Partition Protective Cover Waterproof Sleeve for Cannon/Nikon/Sony (Black)

Camera Cases
Koolertron Camera Case Dslr Camera Insert Bag Purse Universal Liner Lens Pouch Partition Protective Cover Waterproof Sleeve for Cannon/Nikon/Sony (Black) Cover
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Enough for storing a DSLR/SLR camera and a camera lens, well matches your backpack or shoulder bag
Can be used as a single shoulder camera bag
Padded liner keeps the camera from shock and scratch
Material: Nylon Oxford EPE
Size:33cmx23cmX16cm（12.99in x9.06nx6.30in)

Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers

Koolertron One Handed Mechanical Gaming Keyboard, 45-Key Fully Programmable Mini Keypad, Mini USB Macro Keyboard with Rotating Knob, RGB Backlit Red Switches, for Windows PC Gamers Cover
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[Unique knob] Knob (turn left and right, press down) can be programmable. Rotate left and right can be infinitely rotated.It can be set to ± the volume, switch the music previous/next song, reduce/increase the light brightness, switch the light mode, webpage forward/back, etc.
[All 45 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons. You can connect the keypad (plug and play) and a 127-key keyboard with the same computer at the same time, they will not interfere with each other.
[Macro Keys] There are 16 macro function buttons. Macro functions can be used in series and can support up to 349 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operations.
[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors.
[RGB Backlight Keyboard] RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB)
[Mouse function] Added mouse function, you can control the cursor movement, click, and slide functions through buttons
[Combination keys] You can set "shift+" "alt+" "ctl+" "win+" there are 36 key combinations for setting

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Red Switches (RGB Backlit/Red switches)

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad 23 Fully Programmable Keys Red Switches (RGB Backlit/Red switches) Cover
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[All 23 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons.
[All Macro Keys] There are 16 macro function buttons, Macro functions can be used in series and can support up to 349 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operations
[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors
[Portable Mini Keypad] Portable Mini keypad，5"x 3.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other.
[RGB Backlight Keyboard] RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB)
Note: Please download the latest version of the keyboard configuration software according to the website: (If you have any problems, please tell us in time)Windows--https://product_manual.s3.us-east-1.amazonaws.com/MYKB.zip . Mac OS--https://product_manual.s3.us-east-1.amazonaws.com/MYKB_For_MacOS.zip .

Koolertron Upgraded 7 inch IPS Touch Screen H.265 4K IPC-9800 Plus IP Camera Tester CCTV CVBS Analog Tester Built in WiFi with POE/WIFI/8G TF Card/HDMI Output/RJ45 TDR/Dual Window Test/Firmware

Security Monitors
Koolertron Upgraded 7 inch IPS Touch Screen H.265 4K IPC-9800 Plus IP Camera Tester CCTV CVBS Analog Tester Built in WiFi with POE/WIFI/8G TF Card/HDMI Output/RJ45 TDR/Dual Window Test/Firmware Cover
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H.265/H.264, 4K video display via mainstream. 1280*800 resolution.(Note:The product box and manual are generic and include all functions.The actual function of this product is subject to the description.)
RJ45 cable TDR test, cable quality test. Rapid, auto view video, and create testing report.
Dual window test, IP &Analog camera test. TesterPlay, tester, android version mobile phone and PC display at the same time.
HDMI output, 1080p. Quick office(excel ,word ,PPT format ) doc. UTP cable tester.
Customers self update software. Built in WIFI, create WIFI hotspot. IP discovery , shortcut button, drop-down menu. DC12V 2A, DC48V PoE power output.

Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad OSU! Keyboard 9 Fully Programmable Keys Red Switches

PC Gaming Keyboards Razer Keyboards
Koolertron One Handed Macro Mechanical Keyboard, RGB LED Backlit Portable Mini One-Handed Mechanical Gaming Keypad OSU! Keyboard 9 Fully Programmable Keys Red Switches Cover
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[All 9 Keys Programmable] All keys can be programmable. The custom programmable key functions include regular 127 buttons, web navigation buttons, 19 multimedia shortcuts, keyboard locks, Windows locks, etc. Each button can be set to any of these buttons.
[All Macro Keys] There are 16 macro function buttons. Macro functions can be used in series and can support up to 349 key commands, which can meet various complex usage scenarios, Such as: office/wps and other office software shortcuts, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game quick tricks, OSU!, basic code for programmers. For example, setting a button triggers "ctrl+a 0.5s ctrl+c 0.5s ctrl+v" etc a series of operatio
[4-Layer Custom Configurations] Built-in MCU, after keyboard keys be set up, it can be stored in keyboard's MCU, and no need reset the keyboard even replace the computer. Can save 4-layer of configurations to handle multiple usage scenarios. Perfect not only for gamers but also for so many other types of users including designers and video editors
[Portable Mini Keypad] Portable Mini keypad，2.7" x 2.5" x 1.2" ultra-small size, effectively saves desktop space. Detachable USB cable. You can connect the keypad (plug and play) and a 104-key keyboard with the same computer at the same time, they will not interfere with each other.
[RGB Backlight Keyboard] RGB backlight can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect.(NOTE: there is no support for using HUB)
Note: Please download the latest version of the keyboard configuration software according to the website: (If you have any problems, please tell us in time)Windows--https://product_manual.s3.us-east-1.amazonaws.com/MYKB.zip . Mac OS--https://product_manual.s3.us-east-1.amazonaws.com/MYKB_For_MacOS.zip .

Koolertron 0/4-20mA DC 0-10V Signal Generator,2-IN-1Portable Mini Function Generator Built-in 1000mAh Rechargeable Battery,Analog Generator with 4-Digit LCD Display,Accuracy 0.01,for PLC/Panel Testing

Function Generators
Koolertron 0/4-20mA DC 0-10V Signal Generator,2-IN-1Portable Mini Function Generator Built-in 1000mAh Rechargeable Battery,Analog Generator with 4-Digit LCD Display,Accuracy 0.01,for PLC/Panel Testing Cover
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[Multifunctional Frequency Generator] Upgrade the multifunctional mini handheld digital Signal Generator. Using high-grade aluminum alloy knob, ultra-thin frosted non-slip shell, light and portable, it can be used for PLC and panel debugging, continuous speed regulation of servo motor forward and reverse, equipment testing, frequency converter, etc.
[2-in-1 Voltage and Current Generator.] Signal Generator Voltage output: -10V~+10V, accuracy 0.01V, easy to debug forward and reverse; Current output: 0-22mA, accuracy 0.01mA, error 5% can be calibrated. [Built-in 1000mAh Rechargeable Battery.] Koolertron Signal Generator Built-in 3.7V 1000mAh lithium battery, easy to use, and has a power indicator.
Built-in 1000mAh Rechargeable Battery.] Koolertron Signal Generator Built-in 3.7V 1000mAh lithium battery, easy to use, and has a power indicator.
[WIDE APPLICATION] :Analog Generator is a full-featured, highly practical, cost-effective handheld Function Generators developed for people in the maintenance and R&D industries,it can be used for PLC and panel debugging, device testing, frequency converter and ect.
[EASY TO OPERATE ] ：4-20mA Signal Generator One-key switching of voltage and current, independent wiring, simultaneous output, output with short circuit protection, power supply with reverse connection protection,Store the power-on output value when power off. After use, press the knob to save, and the next time the machine is turned on, it will still be the value stored manually last time. It is easy to use, not afraid of confusion, and easy to debug.

Koolertron 12inch Extended Aluminum Microscope Stand with 2 Fill Lights, Portable Adjustable Manual Focus LCD Digital Microscope Holder,Aluminum Microscope Lifting Stand for Most Microscopes

Digital Microscopes
Koolertron 12inch Extended Aluminum Microscope Stand with 2 Fill Lights, Portable Adjustable Manual Focus LCD Digital Microscope Holder,Aluminum Microscope Lifting Stand for Most Microscopes Cover
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Higher Holder: This microscope stand is 12inch in height (including base plate and anti-slip pad), you can easily get a larger field of view and more space for operation after the microscope is installed.
Comfortable adjustment knob: Aluminum Microscope Stand The new upgraded adjustment knob has a wider contact area with your fingers, and the height adjustment is smoother and more comfortable
Free adjustment: This Metal Stand can adjust the microscope lens height up and down, and also can rotate back and forth to adjust the lens angle,You can choose the most suitable location for you to watch the sample more clearly
Compatibility and Portable : The caliber of our Microscope stand is compatible with most of the microscopes sold in the market, but please confirm the right size before you buy;This Microscope Holder is light weight, convenient to carry
Easy to install and Remove:Microscope Stand is made of high quality metal, with four non-slip pads, strong and stable, a good helper for using microscope, helps to get a stable picture

Koolertron One-Handed Macro Mechanical Keyboard, Single Handed Gaming Keypad with Fully Programmable Keys for Knobs and Keys (Red Switches)，Portable 24-Keys with RGB Backlit for Games

PC Gaming Keyboards Razer Keyboards
Koolertron One-Handed Macro Mechanical Keyboard, Single Handed Gaming Keypad with Fully Programmable Keys for Knobs and Keys (Red Switches)，Portable 24-Keys with RGB Backlit for Games Cover
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[24 Key Programmable Keypad] All keys are programmable. Custom programmable key functions include regular 104 buttons, Web navigation buttons, multimedia shortcuts, keyboard lock, Windows lock, etc. Each button can be set to any one of these buttons. You can connect the keyboard (plug and play) and multiple keyboards to the same computer at the same time and they will not interfere with each other.
[Wide Applications] This one handed keyboard is a huge time saver, you can do programming for a living, for office works, for play gaming, for music, media, industrial control, laboratory, production line testing and other fields. It is easy and quick way to control scenes without needing to move a mouse around. You can use a lot of keyboard shortcuts all day, and you can program each key to be 1 key or a macro of key combinations.
[One Handed Keypad with Unique Knob] Nice quality. Small and portable mini keyboard with unique knob is perfect for making work faster, plays games smoothly etc. The knob (rotate left and right, press down) also can be programmed. Rotate left and right can be infinitely rotated, can be set to ± volume, switch music previous/next, decrease/increase light brightness, switch light mode, turn pages forward/backward etc. you can carry it with you, effectively saving desktop space.
[Keyboard with Macro Keys] There are 16 buttons for advanced macro functions. Macro functions can be used in tandem and can support up to 349 key commands. Delayed commands can be added to meet various complex use cases such as: Office, CAD/Ae/Pr/Ps shortcuts, various user accounts and passwords, game tricks, basic codes for programmers. For example, the Set button will trigger a series of actions such as "Ctrl + A 0.5s Ctrl + C 0.5s Ctrl + V", etc.
[RGB Backlight Keyboard] RGB backlight with multiple effects can be customized to the player's desired color. The backlight brightness can be adjusted/turned off. Dynamic effects can be summarized into 8, each dynamic light effect can be adjusted to 3 different speeds; In addition, you can adjust 30 levels of brightness, 32 levels of saturation, and 32 different colors (including 32 static monochrome and 32 static color) in the light effect. or you can turn it off yourself.
[4-layer Custom Configuration] Built-in MCU, after setting the keyboard keys, they can be stored in the keyboard's MCU without resetting the keyboard. 4 levels of configuration can be saved to handle multiple use cases. Not only for gamers, but also for many other types of users, including designers and video editors. Not only for gamers, but also for many other types of users, including designers and video editors.
[Mouse Function] New mouse function, you can control the cursor movement, click, slide function by button.
[Key Combinations] You can set "shift+" "alt+" "ctl+" "win+ " There are 36 key combinations for setting.

Koolertron Microphone Shock Mount,Mic Clip Holder,Universal 50MM Anti-Vibration Mic Holder for 48MM-54mm Diameter Studio Condenser Mic (Black)

Microphone Mounts
Koolertron Microphone Shock Mount,Mic Clip Holder,Universal 50MM Anti-Vibration Mic Holder for 48MM-54mm Diameter Studio Condenser Mic (Black) Cover
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High Quality Metal:Made of high quality metal and high elasticity rope. high elasticity rope can extend the life of the shock mount. It can protect the microphone all-around with high elasticity wrap roping design, which makes the microphone more convenient to install and prevents the microphone from falling.
Rubber Pad : The shock mount 50mm comes with a rubber pad insert, which protects your microphone from damage, fits well and holds the microphone securely in place without falling.
This professional suspension shock mount isolates most studio condenser mics from physical vibration, floor, and stand noise.It is a very nice shock mount for most large diaphragm condenser microphones.
180°Adjustment Knob:This shock mount features an 180 degree angle adjustment locking knob,Standard 5/8"-27 thread with a 3/8"-5/8"screw adapter,features an angle adjustment with locking knob,so you can mount it on all the standard microphone stands. Weight Capacity: 1.32 - 2.2 pounds (Not For Blue Yeti)
Best service guarantee: If you have any questions after receiving the goods, please feel free to contact our customer service. xunlefei's customer service will do its best to help you.

Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Support SLR Camera Bag,Can be Put Directly Into the Bag,Liner Bag With Freely Adjustable Compartment

Camera Cases
Shockproof Camera Photo Bag for SLR TLR Camera Insert Partition Padded Case,Support SLR Camera Bag,Can be Put Directly Into the Bag,Liner Bag With Freely Adjustable Compartment Cover
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Excellent Shock Resistance: A Camera Bag Made of Velvet With Excellent Shock Resistance. Just Put It in Your Daily Bag and You can USE it AS A Camera bag. Put the Camera in A Normal Bag, and Sometimes it Will Collide (Different From a Human or Accidentally Fall), and the Camera May be Damaged. If You put this Camera in AN Internal Box, You can Protect it Firmly
Perfect Size: Anti-Static Composite Material Liner, Soft and Elastic. The Size is Very Important Because it is a Camera Liner Box that is Put in the Bag. External Dimensions: 10.2*5.1*6.1inch, can Accommodate 1DSLR and 2 Lenses. Put in the Bag, the Camera can Also be Put in the Size of the Inner Box. Yes
Freely Set Partition:The Partition in the Middle can Be Set Freely By Velcro, Even if the Lens is Installed, it Can Be Removed and Stored, Which is Very Convenient. The Cushion is Moderately Thick and Easy to Carry
Leak-Proof Design: Ordinary Inner Box is Closed on the Ceiling With Velcro, But Long-Term USE Will Age With Velcro, and the Strong Viscosity May Leak Out. This Style is Designed to Be Twisted to Avoid the Aging Problem of Velcro
Complimentary Partition:Comes With 2 can be Installed Where You Like, It Can Be Freely Arranged According to the Contents of the Drawer

Kolertron Phone Microscope Lens,150X Phone Microscope for CPL Lens/LED/UV Light, Mini Pocket Digital Microscope, Portable Pocket Phone Microscope Lens Attachment,iPhone/Andriod Phone Compatible

Kolertron Phone Microscope Lens,150X Phone Microscope for CPL Lens/LED/UV Light, Mini Pocket Digital Microscope, Portable Pocket Phone Microscope Lens Attachment,iPhone/Andriod Phone Compatible Cover
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[150X Ultra-HD Magnification] Easily turn the mobile phone into a high-definition microscope, the microscope itself can magnify the object 15 times, with the mobile phone 10 times magnification function, the magnification can reach 150 times, close to the microscope panel shooting instant optimal focal length, The innovative slide rail and modular design ensure quick and seamless lens switching
[Integrated LED Lighting & CPL Filter] Equipped with 12 high-intensity LED lights and 12 customizable lighting modes, including a 395nm UV light feature. The included CPL filter minimizes glare and reflections, ensuring crystal-clear and vibrant images when observing nature, insects, minerals, jewelry, currency, or any object of interest
[Quick & Easy Setup] Installation is our user-friendly design. Simply clip it to your smartphone and start your micro-adventure without any additional apps. Ideal for photographers, enthusiasts, collectors, engineers, and anyone eager to discover the hidden wonders of the microscopic world
[Portable & Long-lasting] Built-in USB-Type-C rechargeable battery design, fully charged effective use time can reach 5.5 hours.Dive into the world of macro photography with ease. Our lens is optimized for close-range shooting, enabling you to capture intricate details
[Broad Compatibility] Featuring a lightweight hollow phone clip, compatible with a wide range of smartphones from 71-105mm (2.8-4.1") screen widths. our macro lens boasts universal compatibility across a wide range of smartphone models, for iPhone, Samsung, Google, Huawei, and OnePlus devices. The soft silicone design protects your phone from scratches and pressure on buttons

Koolertron Roll Up Tool Bag Organizer, Multi Tool Wrench Roll Tool Storage Bag, 4 Zippers Waterproof Canvas Roll Tool Pockets Bag for Mechanic/Electrician, Tool Roll Pouch

Tool Bags
Koolertron Roll Up Tool Bag Organizer, Multi Tool Wrench Roll Tool Storage Bag, 4 Zippers Waterproof Canvas Roll Tool Pockets Bag for Mechanic/Electrician, Tool Roll Pouch Cover
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[Roll Up Tool Bag for Gift] : This tool roll bag is a perfect gift for men heavy duty - The wrench roll up pouch can be used as a boat/car/motorcycle/truck/RV/other vehicles tool roll for repairs.
[Roll Up Tool Bag Organizer] : The unfolded size of the roll tool bag is 21.3"*12.6"/54*32cm, and there are 4 independent three-dimensional insert pockets of different sizes in the middle, which can neatly and compactly store various tools, such as wrenches, screwdrivers, tape measures, scissors and pliers and socket.
[Save Space & Easy to Carry] : The roll bag kit can be rolled up without taking up a lot of space, and can also be hung on the car, which is more convenient and quicker when you need repairs on the go, easy to carry and hang in the garage or workshop. The zipper of the tool bag can easily slide to open and close the tool bag, it will not crack, it can be well protected without losing tools.
[High Quality Material] : The roll tool bag mede of high quality material, 900D waterproof oxford cloth, light and durable, strong bearing capacity, tear resistance, long service life. It is a great gift idea for him, men, dad, father, sons, husband, grandpa, grandfather etc.
[Multi-scene Use] : The roll bag can be used as a tool bag and easy to carry and hang in the garage or workshop.

Koolertron 4.3 inch IPS Digital Microscope,1080P 50-1000X Magnification Handheld Digital Microscope with 32g TF Card,8 LED Light,Rechargeable Battery Microscope for Coins/Plant/Rock/PCB Soldering

Digital Microscopes
Koolertron 4.3 inch IPS Digital Microscope,1080P 50-1000X Magnification Handheld Digital Microscope with 32g TF Card,8 LED Light,Rechargeable Battery Microscope for Coins/Plant/Rock/PCB Soldering Cover
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4.3-inch HD IPS display. The IPS display provides sharper colors and details than regular LCD displays, with magnifications ranging from 50X to 1000X
Save and output images and videos. Equipped with 32GB large capacity memory card, you can save images and videos obtained during observation to the card and output.
Excellent lighting effect. Eight basic LED lights for the microscope lens, with a continuous service life of 100,000 hours. Provides excellent detail and the best clarity, and can capture pictures or videos in woods and some dark places.
You can connect to your computer. It can be connected to the computer through the USB cable to view, so as to achieve a wider field of view
Built-in lithium battery. Built-in 2000 mah lithium battery, charge 3 hours work 6 hours, true portability and independence.
Wide support: ideal for circuit board inspection, quality control inspection, clock repair, textile industry, children's educational inspection, biological observation (not applicable to cells), medical professionals, scientific researchers, insects, coins, etc.Jewelry and stamps. This is the perfect gift for kids, students, hobbyists and other users.

Koolertron Portable Mic Boom Pole Arm 4 Section Stretchable Padded Handheld Telescopic Aluminum Adjustable with Easy Twist Locks and Padded Handle for Professional Shotgun Microphones Fish Pole exte

Microphone Stands
Koolertron Portable Mic Boom Pole Arm 4 Section Stretchable Padded Handheld Telescopic Aluminum Adjustable with Easy Twist Locks and Padded Handle for Professional Shotgun Microphones Fish Pole exte Cover
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Multifunctional boom rod and camera monopod, 1/4" screw on the top and 3/8" screw hole on the bottom, fits all kinds of devices.
The additional comfort provided by the soft and flexible foam hand grips, reduce operator fatigue associated with longer shoots.
Extends up to 67.3 inches with collapsible sections to provide shorter lengths to 19.7inches.
Max Length: 171cm/ 67.3in
Min Length: 50cm/ 19.7in
Weight: Aprox 438g/ 15.45oz
Material: Aluminium Alloy

Koolertron 3000 RPM Magnetic Stirrer with 3 PCS Stir Bar and Stir Bar Retriever,Magnetic Stir Plate with Brushless DC Motor,Max Capacity 3000ml(No Heating)

Lab Stirrers
Koolertron 3000 RPM Magnetic Stirrer with 3 PCS Stir Bar and Stir Bar Retriever,Magnetic Stir Plate with Brushless DC Motor,Max Capacity 3000ml(No Heating) Cover
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Powerful Stirring: This magnetic stirrer has an infinitely adjustable and powerful stirring speed up to 300-3000 rpm/min,this stirring speed can quickly and thoroughly mix the liquid being stirred evenly
3000 ml Mixing Volume: The maximum mixing capacity of this stir plate is 3000 ml,the free brushless DC motor enable stable and strength operation
Multiple Application Scenarios: The magnetic stirrer can be used for stirring and mixing in scientific research, agriculture, health and medicine,industry, homebrew, like brew yeast starters, wine making, Juice mixing, wine decanting and etc.Not suitable for mixing high viscosity liquids such as epoxy resins or liquids that require simultaneous heating
Professional Matching: The product is equipped with 3 pcs Type-C PTFE magnetic stir bar with 7*30 mm and a stir bar retriever rod,you don't need to purchase additional accessories to apply to a wide range of mixing scenarios
Easy to Use: The machine has a relatively small size and is very portable,the operation is also very simple and subjective.Use a beaker or a container with a flat and thin bottom,and then put the stir bar into the container first, slowly turn the knob to keep the stir bar synchronized with the magnetic field this way we can start working

Koolertron 5X Magnifying Glass with LED Light, Folding Handheld Full Page 5X Magnifier with 48 LED Lights for Seniors Reading Newspaper, Great Gift for Low Visions

Magnifiers
Koolertron 5X Magnifying Glass with LED Light, Folding Handheld Full Page 5X Magnifier with 48 LED Lights for Seniors Reading Newspaper, Great Gift for Low Visions Cover
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7.3x4.4 inch large magnifying glass with 5x magnification. Ideal for reading newspapers, magazines, books or other paper, the large size design does not need to move the magnifying glass frequently, and it is more convenient to read.
3 LED lighting modes. Super bright 48 LED lights, cold light, warm light, mixed light 3 modes can be selected, no matter day or night can enjoy reading
Foldable portable design. The ergonomic rubber-wrapped handle is non-slip and durable, and can be folded for easy carrying.
Clear amplification effect. The lens is made of acrylic Fresnel material, which is shatter-proof and scratch-proof, and is lighter than the glass lens to ensure long-term use without fatigue.
Perfect gift for seniors.. This LED magnifier is ideal for the elderly, the visually impaired or those with macular degeneration and is the perfect gift for Father's Day, Mother's Day, senior birthdays or Christmas

Koolertron FAQs

Yes, Koolertron is a legitmate brand on Amazon. After conducting a comprehensive analysis of 3,958 customer reviews for Koolertron products on Amazon, we have determined its average rating. Offering great value and satisfying quality, Koolertron has achieved a respectable rating of 4.2 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 Koolertron 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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There are usually 5 to 10 products in a brand buying guide. We found 35 Koolertron products for sale, 20 of which were analyzed in detail and recommended to customers.

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