Feature:1. 3 Keys Design: This USB foot switch adopts 3 key design that supports 3 key custom program for more flexible operation.2. Multi Function: This USB foot pedal supports functions of mouse, keyboard, game, character string, multimedia.3. High Sensitivity: This PC foot pedal adopts mechanical switch that ensures high sensitivity and lowest resistance.4. Ergonomic Design: This gaming foot pedal also features ergonomic design, providing comfort for your feet.5. Wide Application: This PC foot pedal is widely used in playing games, Photobooth, zoom, transcription key settings, factory testing, instrument control, media playback/pause, hospital image scanning and more.Specification:Item Type: USB Foot SwitchMaterial: ABSMouse Function: Can Be Set As the Left Mouse Button, Right Mouse Button, Middle Mouse Button, Forward and Back Shortcut KeysKeyboard Functions: Save, Copy, Paste, Switch Programs, Open Task Manager and Other Shortcut Keys Can Be SetGame Functions: Can Be Set As the Game Controller Up, Down, Left, Right ButtonsString Function: Fast Input String Can Be Set, Such As "how Are You Today"Multimedia Function: Can Set Pause, Play, the Previous Song, the Following Song, Open My Computer and Other Shortcut KeysSwitch Type: Photoelectric SwitchConnection Type: Wired USBCompatible System: Suitable for Win, For Linux, for OS X, for Android(If It is a Linux or OS X System, You Need to Modify the Button in Win, and then Plug the Switch into Linux or Tablet to Use It.) .Package List:1 xUSB Foot Switch1 x User Manual