Keyboard Switch Type TTC Low Profile Mechanical Switch Blue Keyboard Keycaps Ergonomic Low Profile Keycap Keyboard Material Aluminum, Plastic Keyboard Color Gunmetal Gray, Silver White Keyboard LED Color RGB Keyboard Polling Rate 1000Hz (Wired Mode), 125Hz (Bluetooth Mode) Keyboard Response Rate 1ms Keyboard On-board Memory Yes On-the-fly System Yes Keyboard Multimedia Key Through Function Key (FN) Wireless Connectivity Bluetooth 4.0 Battery 4000mAh (2000mAh × 2) Compatible OS Windows 8+, Mac OS X 10.10+, Android, iOS Software Support Cooler Master MasterPlus+ Keyboard Connector Cable USB Type-C (Keyboard Side), USB 2.0 Type A (Computer Side) Keyboard Cable 1.8m, USB Type-C Detachable & Braided Keyboard Dimensions (L x W x H) 430 x 125 x 25 mm Keyboard Weight 737g / 1.62 lbs Product Keyboard Keyboard Type Mechanical, Wireless