Brand:Keychron
Keychron J2 QMK RGB Wireless Mechanical Keyboard Apex Banana Switch Black
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About this product
- Brand
- Keychron
- Store
- PC Case Gear
- Category
- Electronics > Electronics Accessories > Computer Components > Input Devices > Keyboards
- SKU
- KBKCJ2H4A
Specifications
- Colour
- Black
The Keychron J2 QMK RGB Wireless Mechanical Keyboard in Black features a compact 75 percent layout designed to balance desk space efficiency with peak typing and gaming performance. Equipped with tactile Keychron Apex Banana switches, it pairs vibrant south facing RGB backlighting and synchronised dual sidelight bars with multi layer acoustic dampening foams for a cushioned, acoustically refined feel. It provides versatile tri-mode connectivity via low latency 2.4GHz wireless with a 1,000Hz polling rate, Bluetooth 5.2 for pairing up to three devices, and wired USB-C. Fully programmable through open-source QMK firmware and the Keychron Launcher web app, it includes a hot swappable PCB, Last Key Priority (LKP) gaming support, and a built-in receiver storage slot.
Features
Keychron J2 QMK Wireless Mechanical Keyboard
The J2 is a wireless mechanical keyboard with a 75% layout. It supports 2.4 GHz, Bluetooth, and wired connections. Configurable through QMK and Keychron Launcher web app, it offers endless possibilities and enhanced productivity in your work and gaming!
The J2 features a superior sound and typing experience with multiple layers of acoustic foams, such as IXPE, PET, and EPDM.
- Launcher Web Configurator
- Enhanced Acoustic Foams
- Connects up to 3 Devices
- Support All Systems
- 1000 Hz Polling Rate
- Hot-Swappable Option
- 2.4 GHz & Bluetooth
- Double-Shot PBT Keycaps

2.4 GHz & Bluetooth Connection
Experience peak gaming performance on the fly with the 2.4 GHz wireless connection boasting a rapid 1000 Hz polling rate. For seamless multitasking across your computer, phone, and tablet, you can effortlessly connect the J2 via Bluetooth 5.2 to three devices.
Programme with QMK & Launcher
The open-source QMK firmware means endless possibilities for key remapping, macros, shortcuts, and more. Now you can easily customise each key with the Keychron Launcher web app.
* Please use the latest version of Chrome / Opera / Edge browser to open the Launcher and connect the keyboard to your device via wired mode.
Last Key Priority (LKP)
LKP allows seamless directional changes by prioritising the last key pressed, ensuring smoother gameplay in titles like Valorant. This helps reduces the delay between key presses, giving a competitive edge by allowing for quicker changes in direction without waiting for previous keys to be fully released.

Plug-and-Play Receiver
For a better 2.4 GHz wireless experience, the J2 comes with a Type-A receiver. Enjoy the quick plug-and-play time. Or, put it away in the keyboard storage slot at the top left corner.
An Epic Core Inside
A powerful ARM architecture MCU WB32F3G71RCT6 equipped with 256KB Flash will provide more flexibility for developers. The polling rate is 1000 Hz on 2.4GHz and wired modes right out of the box, which makes the latency hardly noticeable even in competitive games.

Sidelight Design
The J2 features sleek sidelight bars on both sides that sync perfectly with your RGB settings, shifting colours to match your style. Enjoy a dynamic glow that transforms your space into a fully immersive vibe.

Advanced Acoustic Foam
Elevate your typing with J2 featuring advanced IXPE acoustic foam for smooth keystrokes and enhanced comfort, coupled with resilient latex foam for superior key switch support, responsiveness, and durability. Redefining the standard for a quiet, comfortable, and responsive typing experience.

Hot-Swappable (Optional)
Keychron also provide a hot-swappable version for your choice, which means you can customise your typing experience without soldering, pop them in and it's done.
Every detail matters for a personalised typing experience, that’s why they give you the power. You can hot-swap every switch on the J2 with almost all of the 3-pin and 5-pin MX style mechanical switches on the market (including Cherry, Gateron, Kailh, Panda, etc.) without soldering. You can customise your own typing experience in seconds.
Keychron Super Switch & Apex Switch
The J5 is available with either the Keychron Super Switch or the Keychron Apex Switch, giving you the freedom to choose the typing experience that best suits your preference. Both switches are built for exceptional precision, tested for pro-grade quality, and rated for up to 50 million keystrokes. Their transparent top housing maximises light transmission, delivering brighter, more consistent RGB backlighting while ensuring smooth and reliable performance for years to come.
Double-Shot PBT Keycaps
The double-shot PBT keycaps of the J2 provide excellent oil resistance and prevent the legends from fading out. Additionally, the keyboard offers two different keycap options to meet varying preferences and needs.

Cherry Profile (Shine-Through)

MDA Profile (Non-Shine-Through)
RGB Backlights
Comes with more than 22 types of RGB backlight settings (as well as a static white backlight option), and 14 types of backlight settings on the White Backlight version. You can further fine-tune the RGB hue, saturation, brightness, effect speed with ease.
Ergonomic Support
Three levels of adjustable typing angle (4.5º, 6.4º & 8.8º) and curved Cherry profile and MDA profile keycaps are all working together to provide long-lasting ergonomic support for your wrist.
