Keychron K2 Ultra 75% Wireless Mechanical Keyboard, 8000Hz Polling Rate | Hot-swappable linear red switches, aluminum frame, PBT keycaps, 760h battery, Bluetooth/2.4GHz/wired, Mac/Windows/Linux

Key features

• Ultra-Fast 8000Hz & Tri-Mode Wireless - Keychron K2 Ultra delivers an 8000Hz polling rate in wired and 2.4GHz wireless modes with ultra-low 0.125ms latency. Switch between USB-C wired, 2.4GHz, and Bluetooth 5.2 for gaming, office work, and multi-device setups.
• Compact 75% Layout for Work and Play - This 75% wireless mechanical keyboard keeps the function row, arrows, and navigation keys in an efficient 84-key layout. It saves desk space while staying comfortable for coding, editing, productivity, and gaming.
• Hot-Swappable Pre-Lubed Apex Switches - Factory pre-lubed Keychron Apex Red switches provide a smooth, responsive typing feel out of the box. The hot swappable mechanical keyboard design supports both 3-pin and 5-pin MX-style switches for easy customization.
• Long Battery Life, RGB, and Premium Feel - Enjoy up to 760 hours of battery life with the backlight off, or up to 225 hours at low RGB brightness. South-facing RGB, oil-resistant PBT keycaps, an aluminum frame, and durable ABS housing give K2U a clean look and reliable daily feel.
• Keychron Web Launcher & ZMK Customization - Remap keys, create macros, tune RGB—no software download required. The built-in AI assistant turns requests into ready-to-confirm settings, while 1MB onboard memory keeps your custom layout saved across devices.
• Mac/Windows Compatibility & Durable Build - Instant OS switching via physical toggle supports macOS, Windows, Linux. Built with a metal durable frame, ABS housing, and oil-resistant PBT keycaps for long-term use.