KJ2-H1
KEYCHRON J2 WIRELESS MECHANICAL KEYBOARD/HOT SWAP/RED SWITCH/RGB-BLK NEW
Keychron J2 75% Wireless Mechanical Keyboard, Black, Super Red Switches, Hot-Swappable RGB, QMK, 2.4 GHz, Bluetooth 5.2, USB-C
57 $
Expert Features
- 75% Compact Layout: 83-key ANSI layout keeps the arrow keys and function row while saving desk space.
- Triple-Mode Connectivity: Switch between 2.4 GHz wireless, Bluetooth 5.2, and USB-C wired connections.
- 2.4 GHz Gaming Response: 1000 Hz polling over 2.4 GHz and wired modes helps keep input responsive; Bluetooth polling is 125 Hz.
- Connect Three Bluetooth Devices: Pair the keyboard with up to three devices, such as a computer, phone, and tablet.
- Keychron Super Red Switches: This variant uses linear Super Red mechanical switches for smooth keystrokes.
- Hot-Swappable Version: KJ2-H1 is the RGB hot-swappable version, allowing compatible 3-pin and 5-pin MX-style mechanical switches to be changed without soldering.
- QMK and Keychron Launcher: Remap keys and configure macros and shortcuts using Keychron’s web-based Launcher.
- Last Key Priority: LKP prioritizes the most recently pressed directional key for quicker directional changes in supported gameplay.
- Customizable RGB: Choose from 22+ RGB backlight options, including static white, and adjust lighting effects through Launcher.
- PBT Keycaps: Double-shot PBT keycaps are designed to resist oil and keep their legends from fading.
- Mac, Windows and Linux Ready: Use the system toggle and included Mac and Windows keycaps to adapt the layout.
- Adjustable Typing Angle: Choose from three typing angles: 4.5°, 6.4°, or 8.8°.
- Long-Running Battery: The 4000 mAh battery is rated for around 300 hours with backlighting off, or around 168 hours with RGB at lowest brightness; actual use varies.
Expert Specs
| Specification | Details |
|---|---|
| Brand | Keychron |
| Model | J2 QMK Wireless Mechanical Keyboard |
| SKU | KJ2-H1 |
| Variant | Black; RGB Backlight (Hot-Swappable); Keychron Super Red switches |
| Layout | ANSI, 75% |
| Number of keys | 83 |
| Multimedia keys | 12 |
| Switch type | Mechanical, Keychron Super Red |
| Switch face | North-facing |
| Hot-swappable | Yes; hot-swappable version |
| Compatible replacement switches | Most 3-pin and 5-pin MX-style mechanical switches, including Cherry, Gateron, Kailh and Panda |
| Keycap material | Double-shot PBT |
| Keycap profiles | Cherry or MDA, depending on keycap option |
| Frame material | ABS |
| Connectivity | 2.4 GHz wireless, Bluetooth, USB-C wired |
| Bluetooth version | 5.2 |
| Bluetooth device capacity | Up to 3 devices |
| Bluetooth device name | Keychron J2 |
| Polling rate | 1000 Hz in 2.4 GHz and wired modes; 125 Hz in Bluetooth mode |
| N-Key Rollover (NKRO) | Yes, in wireless and wired modes |
| Backlighting | 22+ RGB options, including static white |
| Battery | 4000 mAh rechargeable lithium-polymer |
| Wireless working time, backlight off | Around 300 hours; lab result, actual use may vary |
| Wireless working time, RGB on | Around 168 hours at lowest brightness; lab result, actual use may vary |
| Compatible systems | Windows, macOS and Linux |
| Typing angles | 4.5° / 6.4° / 8.8° |
| Dimensions | 332.3 × 139.92 mm (13.08 × 5.51 in) |
| Weight | 808 g (1.78 lb) |
| Front height, including keycap | 20.7 mm (0.81 in) |
| Rear height, including keycap | 41.34 mm (1.63 in) |
| MCU | WB32F3G71RCT6, 256 KB Flash |
| Operating environment | -10°C to 50°C |
