It is a Bluetooth foot switch. The two buttons can be customized into keyboard, mouse and other functions. They can be connected via Bluetooth or USB cable. The user can customize the buttons for any function through the supporting software, such as shortcut keys, mouse functions, and more. Coal body play, game , etc. Keyboard function: can be set to any key value or group key (including F13 to F24, etc.), such as key value A or CTRL+A function Mouse function: It can be set to move the left, middle, right or XY axis of the mouse and scroll up and down with a wheel String printing: You can set up to 38 characters to print, Multimedia functions: support multimedia functions, such as previous song, next song, volume up, volume down, etc. Product name: Bluetooth foot switch Bluetooth communication distance: greater or equal to 10m Bluetooth version: Bluetooth 4.2 Power supply: AAA (No. 7)*2 battery (battery not included) Working current: less than 2mA Switch life: more than times Connection : Bluetooth and usb Colour: blue + yellow Material: ABS Size: 226 x 185 x 42mm Package Contents: 1 x Foot switch 1 x Data cable Only the above package content, other products are not included. Note: Light 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.