1、Programmable Keys: All keys of this mini keypad are programmable, you can set all keys function of standard for Win keyboard. 2、Knob Function: This programmable keypad has 3 knobs that can be set to zoom in and out, following song, the volume up, volume down, pause, play and other functions. 3、RGB Backlit: This gaming keypad with RGB backlit adopts blue switch, providing better typing and use experience. 4、Plug and Play: This mini mechanical keypad is plug and play. This keypad and another keyboard can be simultaneously connected to one computer, no mutual interference will occur. 5、Wide Application: This 9 key keypad is suitable for office, games, music, media, industrial control, laboratory, production line testing and other fields. 1 x Mini Keypad1 x USB Cable Item Type: Mini KeypadMaterial: AcrylicKey Type: 9 Key Mechanical Keypad + 3 x Knob (Knob Can Be Pressed As a Key)Key Switch: Blue SwitchLight Effect: RGB BacklitApplicable Equipment: Universal Type for Computer