Product description Specs Size 137 x 365mm Weight 1787g ± 10g Angle 5.3 ° Body Material CNC Aluminum Keycap KSA double-shot PBT keycaps Switch Keychron Silk POM Switch Battery 4000 mAh rechargeable li-polymer battery Compatible System macOS/Windows/Linux Connectivity 2.4 GHz / Bluetooth 5.3 / Type-C Wired Polling Rate 8000 Hz / 2000 Hz / 1000 Hz N-Key Rollover Yes (wireless & wired) Wireless Working Time Up to 660 hours (Backlit off) / Up to 200 hours (RGB, lowest brightness) Hot-swappable Yes Operating Environment -10 to 50