Keyboard Keychron K3 Pro Wireless Gateron Brown Technical data: White backlight Gateron Brown switches Switch characteristics Actuation force 55gActuation point 1.5Total travel 2.75mmTactileAudible slight clickRecommended for work and gaming Number of keys 84 (75%) Gateron low profile mechanical switches North-facing switch face Number of multimedia keys 12 Frame material ABS+Aluminum frame Keycap material Low profile double PBT ANSI layout Polling Rate (Wired Mode) 1000Hz Polling Rate (wireless mode) 90Hz N-Key Rollover (NKRO) Yes for both wireless and wired modes. White backlight Battery 1550 mAh Li-polymer battery BT operating time (backlight off) Up to 100 hours (laboratory test result may vary based on actual use) BT working time Up to 33 hours (lowest brightness) Bluetooth connection and Type-C cable Bluetooth version 5.1 Keychron K3 Pro Bluetooth device name Compatible macOS/Windows/Linux Dimensions 306 x 116mm (12.04 x 4.56") Weight 525g / 1.16lbs Height without keycap (front) 11 mm (0.43") Height without keycap (rear) 15 mm (0.59") Height including keycap (front) 17 mm (0.66″) Height with keycap (rear) 22 mm (0.86")