Keyboard Switch Type: TTC Low Profile Mechanical Switch - Blue, Keyboard Keycaps: Ergonomic keycap, Keyboard Material: Aluminum, Plastic, Keyboard Color: Black, Keyboard LED Color: RGB, Keyboard Polling Rate: 1000Hz (Wired Mode), 125Hz (Bluetooth Mode), Keyboard MCU: 32bit ARM Cortex M0, Keyboard On-board Memory: 512 KB, On-the-fly System: Yes, Multimedia Keys: Through FN. The SK622 hybrid wireless gaming keyboard takes a modern approach to the classic mechanical keyboard with low profile switches housed in a sleek chassis for a drool-worthy aesthetic.