1Programmable Keys: All keys of this mini keypad are programmable, you can set all keys function of standard for Win keyboard. 2Knob 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. 3RGB Backlit: This gaming keypad with RGB backlit adopts blue switch, providing better typing and use experience. 4Plug 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. 5Wide Application: This 9 key keypad is suitable for office, games, music, media, industrial control, laboratory, production line testing and other fields. Item Type: Mini Keypad Material: Acrylic Key Type: 9 Key Mechanical Keypad + 3 x Knob (Knob Can Be Pressed As a Key) Key Switch: Blue Switch Light Effect: RGB Backlit Applicable Equipment: Universal Type for Computer 1 x Mini Keypad 1 x USB Cable