Keyboard Wireless K3 RGB/Black K3X-B3 Keychron

Design and Construction

• Ultra-slim low profile: Compact dimensions of 306 x 116 x 22 mm (front height 19 mm, rear height 23 mm) and light weight of 540 g, ABS structure + aluminium frame for portability and stability, keycaps shine-through ABS LSA (Low Profile Spherical Angle) profile for comfortable feel and optimal backlight visibility.

• Advanced acoustic foam: IXPE, EPDM and latex layers for soft and quiet sound, north-facing switches with hot-swappable bracket in compatible versions for seamless customisation.

Switches and Performance

• Keychron Mechanical Brown LP: 47 g force, 1.8 mm pre-travel, 3.1 mm total travel for balanced tactile feedback without noise, full N-Key Rollover (NKRO) and 1000 Hz wired / 90 Hz wireless polling for precision multitasking.

Connectivity and Autonomy

• Multi-device: Bluetooth 5.2 (up to 3 simultaneous connections) + wired USB-C, Windows/macOS/Linux/Android/iOS compatible with seamless switching via Fn, 32-bit ARM Cortex-M3 MCU (256 KB Flash) for macros/remapping via QMK web app.

• Long battery life: 1550 mAh Li-Po rechargeable for up to 124 hours (backlight off) or 82 hours (RGB low), adjustable writing angles 2.5°/4.2°/6.5°.

Lighting and Multimedia

• Customisable RGB: 22 effects with adjustable brightness (4 levels), 12 dedicated multimedia keys and ergonomic low-profile design for long sessions without fatigue.