Features: 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 Switch Material: ABS Mouse Function: Can Be Set As the Left Mouse Button, Right Mouse Button, Middle Mouse Button, Forward and Back Shortcut Keys Keyboard Functions: Save, Copy, Paste, Switch Programs, Open Task Manager and Other Shortcut Keys Can Be Set Game Functions: Can Be Set As the Game Controller Up, Down, Left, Right Buttons String 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 Keys Switch Type: Photoelectric Switch Connection Type: Wired USB Compatible 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.) PackageList:1 x USB Foot Switch 1 x User Manual