Features: You can customize the button to achieve mouse function, keyboard function, character string function and multimedia function. USB+BT4.0 dual-mode connection, easy to switch according to your needs. The mechanical switch is triggered by micro switch, there is a distinct sense of paragraph when stepping, crisp sound. With anti-slip pads at the bottom, no need to worry about the foot switch slipping. This product provides key definition setting software based on Windows system, which can be used in various systems after setting.(Note: If you use Linux or Mac, you need to set it up on Windows first, then plug the foot switch into your device and run it to use) Wide application, you can use it when playing gaming, working, controlling machine, testing machine, testing piano keyboard, and quickly storing images. Specification: Model: FS2020BT1 Color: Yellow&Black Connection mode: USB+BT4.0 Pedal number: 3 Switch: Mechanical switch Battery capacity: 230mAh Working voltage: 5V Working current: 3mA Item size: 37.5 * 11.5 * 4.2cm /14.76 * 4.53 * 1.65in Item weight: Approx. 383g /13.51oz Packing list: 1 * Foot pedal 1 * Data cable 1 * User manual