Keychron K4 Ultra 8K Wireless Custom Mechanical Keyboard

Keychron K4 Ultra 8K Wireless Custom Mechanical Keyboard features a 96% layout, 2.4 GHz, Bluetooth, wired mode, ZMK macros, and 600-hour battery life.

Key specs

• Layout: 96%, ANSI
• Connectivity: 2.4 GHz, Bluetooth, wired; 8000 Hz polling rate
• Switches: Keychron Apex Switch Red / Brown / Banana; hot-swappable
• Build: ABS, Steel plate
• Keycaps: OSA Double-Shot PBT Keycaps
• Battery: 4000 mAh, up to 600 hours
• Software: ZMK firmware; Keychron Launcher web app for key remapping and macros; works with macOS , Windows , Linux
• Backlight: South-facing RGB LED
• Weight: 1241g ± 10g
• Dimensions: 391.29 x 140.27 mm
• N-key rollover: Yes (wireless & wired)

Product details

Keychron K4 Ultra 8k is a wireless custom mechanical keyboard with a sleek, durable build. It supports 2.4 GHz, Bluetooth, and wired connections. Through the Keychron Launcher web app, users can remap keys and create macro commands on its 96% compact layout. Powered by ZMK firmware, it enables an 8K polling rate in wireless mode while delivering up to 600 hours of battery life. It is also fully compatible with Windows, macOS, and Linux.