Keychron K1 Ultra 8K Black 80% Low-Profile Wireless Mechanical Keyboard with Red Switches, Hot-Swap, RGB, Multi-Function Knob, 2.4 GHz, Bluetooth 5.2, USB-C and Wood-Metal 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 by 2.4 GHz, Bluetooth 5.2, or USB-C wired. Bluetooth supports switching between up to three devices. Keychron Milk POM Red Switches: Low-profile linear switches come pre-installed on this fully assembled model. Hot-Swappable Switches: Replace compatible switches without soldering. Multi-Function Knob: Adjust volume by default, or customize the knob’s actions through Keychron Launcher. ZMK Customization: Remap keys and create macros using the Launcher web app. Per-Key RGB: Customize the backlight with 22+ lighting settings, including per-key RGB and Mix RGB. 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: Includes Mac and Windows keycaps for switching between supported systems. Expert Specs Specification Details Model K1U-H1 Product Keychron K1 Ultra 8K Wireless Custom Mechanical Keyboard Configuration Fully assembled Color Black Layout 80% compact TKL Switch Keychron Milk POM Red, low-profile Switch type Linear Hot-swappable Yes 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 and 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