Keychron K8X-J1 80% TKL Red Switch RGB Hot-Swap Black

The Keychron K8X-J1 is a premium 80% Tenkeyless (TKL) mechanical keyboard designed for productivity and gaming. Featuring hot-swappable Gateron G Pro Red switches, south-facing RGB backlighting, and dual Bluetooth 5.1 / USB-C connectivity, it offers a versatile and customizable typing experience. The aluminum top frame and gasket mount construction provide a solid, responsive feel, while the 4000 mAh battery delivers up to 300 hours of use on a single charge.

Advantages

Hot-swappable PCB supports both 3-pin and 5-pin MX switches, allowing you to customize your typing feel without soldering. The QMK/VIA programmable firmware enables full key remapping and macro creation. With Bluetooth 5.1, you can connect up to three devices and switch seamlessly between them. The south-facing RGB LEDs prevent interference with Cherry-profile keycaps and offer 22 lighting effects.

Suitable for

• Typists and programmers who prefer a compact layout without a numeric keypad
• Gamers looking for a responsive linear switch with fast actuation
• Users who need wireless connectivity for multiple devices (macOS, Windows, Linux, Android, iOS)

Key specifications

• Layout: 80% Tenkeyless (TKL)
• Switch: Gateron G Pro Red (Linear, hot-swappable)
• Backlight: South-facing RGB (22 types)
• Connectivity: Bluetooth 5.1 (up to 3 devices) & USB-C (wired)
• Polling Rate: 1000 Hz (wired), 90 Hz (wireless)
• Keycaps: Double-shot PBT
• Frame: Aluminum top frame, ABS plastic bottom case
• Mount: Gasket mount
• Battery: 4000 mAh Li-Polymer (up to 300 hours with backlight off)
• Firmware: QMK/VIA programmable
• Compatibility: macOS, Windows, Linux, Android, iOS
• Key Rollover: N-Key (wired), 6-Key (wireless)
• Stabilizers: Screw-in PCB stabilizers
• Sound Dampening: Silicone gasket & sound absorbing foam
• Cable: Detachable USB-C to USB-A

Recommendations

For optimal performance, use the included USB-C cable for wired mode and ensure your device supports Bluetooth 5.0 or later for wireless connectivity. The keyboard is fully programmable via QMK/VIA; download the software from the official Keychron website.