Multimedia Knob Rotate to adjust volume, click to play/pause music.Hot-swappable shaft sockets are compatible with 90% of the shafts on the market, and are compatible with all three and five pins.Support three-mode wired + Bluetooth + 2.4G connection.Support RGB backlight mode adjustment.This keyboard features an ergonomic sloped design and stepped keycaps to minimize fatigue.Type: gaming keyboardNumber of keys: 67 keysConnection : 2.4G wireless Bluetooth wiredKey Technology: X ArchitectureMaterial: ABSColor: BlackPackage Contents:1 x Mechanical Keyboard1 x Cable1 x Shaft Puller72 x Red SwitchOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.