Keychron V1 Ultra 8K Black 75% Wireless Mechanical Keyboard with Red Switches, Programmable Knob, Hot-Swap, RGB, ZMK, Bluetooth 5.3, 2.4 GHz and USB-C

Expert Features 75% Layout with Knob: Keeps essential keys in a compact layout and adds a programmable rotary knob. 8K Polling Rate: Supports 8,000 Hz in 2.4 GHz wireless and wired modes; Bluetooth polling is 125 Hz. Tri-Mode Connectivity: Connect via 2.4 GHz, Bluetooth 5.3, or USB-C wired. Bluetooth supports up to three devices. Keychron Silk POM Red Switches: Pre-lubed Red switches come installed on this fully assembled model. Hot-Swappable: Replace compatible 3-pin or 5-pin MX-style switches without soldering. ZMK and Keychron Launcher: Remap keys, create macros, and customize backlighting in the web app. Customizable RGB: Choose from 22+ lighting settings, including per-key RGB and Mix RGB. Gasket-Mount Typing Feel: The gasket-mount design and PC plate work with acoustic foam to reduce resonance and give a softer typing feel. Long Battery Runtime: The 4,000 mAh battery lasts up to 660 hours with the backlight off. Mac and Windows Ready: Includes keycaps for both systems; also compatible with Linux. Expert Specs Specification Details Model V1U-D1 Product Keychron V1 Ultra 8K Wireless Custom Mechanical Keyboard Configuration Fully assembled with knob Color Black Layout 75% Switches Keychron Silk POM Switch – Red Hot-swappable Yes; supports compatible 3-pin and 5-pin MX-style switches Connectivity 2.4 GHz, Bluetooth 5.3, USB-C wired Polling rate 8,000 Hz wired and 2.4 GHz; 125 Hz Bluetooth Bluetooth device capacity Up to 3 devices Firmware and customization ZMK; Keychron Launcher web app Knob Programmable rotary knob Backlight South-facing RGB LED; 22+ settings, per-key RGB and Mix RGB Keycaps OSA double-shot PBT Body material Plastic Plate material Polycarbonate (PC) Mounting design Gasket mount Stabilizers Screw-in PCB stabilizers Battery Rechargeable 4,000 mAh lithium-polymer Wireless working time Up to 660 hours with backlight off; up to 200 hours with RGB at lowest brightness Compatible systems macOS, Windows, Linux Dimensions 328.5 × 148.7 mm Front height 21.5 mm without keycaps Back height 29.4 mm without keycaps Feet height 2 mm Adjustable angles 3.5° / 7.1° / 9.5° Weight 770 g ± 10 g Operating environment −10°C to 50°C N-key rollover Yes, wireless and wired Bluetooth device name Keychron V1 Ultra 8K