Keychron K8 Pro Wireless Custom Mechanical Keyboard, QMK/VIA Programmable, BT / Wired, RGB Backlight Aluminum Frame Tenkeyless, Hot-Swappable, ENG-ARAB Keyboard, Gateron G Pro Red Switch | K8P-J1-AR

Specifications Number of Keys 87 (Tenkeyless) Switches Gateron G Pro Mechanical (Hot-swappable) Keychron K Pro Mechanical (Non-hot-swappable) Switch Face South-facing RGB Stabilizers PCB-mounted screw-in (Hot-swappable) Plate-mounted (Non-hot-swappable) Number of Multimedia Keys 12 Frame Material ABS / ABS + Aluminum frame Keycap Material Double-shot PBT Keycap Profile OSA (OEM profile with spherical-angle) Layout ANSI Polling Rate (Wired Mode) 1000Hz Polling Rate (Wireless Mode) 90Hz N-Key Rollover (NKRO) Yes (both wireless and wired modes) Backlit 22 types of RGB backlight options plus endless possibilities Battery 4000 mAh Rechargeable li-polymer battery BT Working Time (Backlit off) Around 260 hours BT Working Time (RGB) Around 130 hours (Lowest brightness) Connection Bluetooth and Type-C cable Bluetooth Version 5.1 Bluetooth Device Name Keychron K8 Pro Compatible System macOS / Windows / Linux Dimension (Plastic frame version) 355 x 123 mm (13.9 x 4.84 inches) Weight (Plastic frame version) About 990 g / 2.2 lbs Dimension (Aluminum frame version) 359 x 127 mm (14.1 x 5 inches) Weight (Aluminum frame version) 1146 g / 2.5 lbs Height incl. keycap (front) 35 mm (1.37 inches) Height incl. keycap (rear) 42 mm (1.65 inches) Typing Angle 3.5º, 7.5º and 10.5º MCU Ultra-low-power ARM Cortex-M4 32-bit STM32L432 (128KB Flash) Operating Environment -10 to 50℃