Keychron K1 Ultra 8K Brown Switch Wireless Mechanical Keyboard, 80% TKL, Hot-Swappable, RGB, Multi-Function Knob, 2.4 GHz, Bluetooth 5.2, USB-C, Aluminum and Wood Frame

Expert Features Compact 80% TKL Layout: Keeps essential keys while removing the number pad to save desk space. 8K Polling Rate: Supports 8,000 Hz in 2.4 GHz wireless and wired modes; Bluetooth polling is 125 Hz. Three Connection Modes: Connect via 2.4 GHz, Bluetooth 5.2, or USB-C wired. Bluetooth supports switching between up to three devices. Keychron Milk POM Brown Switches: The low-profile Brown switches provide a tactile typing feel. Hot-Swappable Switches: Replace compatible switches without soldering. Multi-Function Knob: Adjust volume by default or customize its actions through Keychron Launcher. ZMK Customization: Remap keys and create macros in the Launcher web app. Customizable RGB: Personalize the north-facing backlight with per-key RGB, Mix RGB, and more than 22 lighting settings. Up to 490 Hours of Battery Life: The 2,600 mAh battery lasts up to 490 hours with the backlight off. Wood-and-Metal Frame: Natural wood accents pair with a metal frame for a distinctive low-profile design. Mac, Windows, and Linux Compatible: Mac and Windows keycaps are included. Expert Specs Specification Details Model K1U-H3 Product Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard Configuration Fully assembled Switch Keychron Milk POM Brown, low-profile tactile Hot-swappable Yes Layout 80% compact TKL Connectivity 2.4 GHz, Bluetooth 5.2, USB-C wired Polling rate 8,000 Hz wired and 2.4 GHz; 125 Hz Bluetooth Bluetooth device switching Up to 3 devices Firmware and customization ZMK; Keychron Launcher web app Knob Multi-function, customizable through Launcher Backlight North-facing RGB LED; per-key RGB, Mix RGB, 22+ settings Keycaps LSA double-shot PBT, non-shine-through Body material Aluminum and wood Bottom case material ABS plastic Plate material Anodized aluminum alloy Stabilizers Plate-mounted Battery Rechargeable 2,600 mAh lithium-polymer Wireless working time Up to 490 hours with backlight off Compatible systems macOS, Windows, Linux Dimensions 358.6 × 128.3 mm Front height 15.44 mm without keycaps Back height 19.94 mm without keycaps Feet height 2 mm Weight 628.9 g ± 10 g Operating environment −10°C to 50°C MCU Real-M300V 32-bit RTL8762GTH, 1 MB flash Bluetooth device name Keychron K1 Ultra 8K