Feature:1. Programmable and Convenient: The USB foot pedal is a standard device and programmable keyboard and mouse, which triggered freely by your foot2. Dual Mode Connection: The USB foot pedal adopts a 2 position 4 keys design, and supports 4 keys custom programming. Supports wireless and USB dual mode connections3. Shortcut Key Setting: The USB double 2 foot switch has mouse function, keyboard function, game function, string function, multimedia function can set shortcut keys4. Mechanical Switches: The foot pedal for transcription uses sensitive mechanical switches to provide tactile response and minimal resistance. With wide, ergonomic pedals5. Scope of Application: Suitable for playing games, Photobooth, medicine, zooming, transcription key settings, factory testing, instrument control, hospital image scanningSpecification:Item Type: USB Foot PedalMaterial: ABSMouse Function: Can Be Set As Shortcut Keys Such As Left Mouse Button, Right Mouse Button, Middle Mouse Button, Forward and Backward, Etc.Keyboard Function: Shortcut Keys for Saving, Copying, Pasting, Switching Programs, and Opening Task Manager Can Be SetGame Function: Can Be Set As the Up, Down, Left and Right Buttons of the GamepadString Function: You Can Set Up a Quick Input String, Such As "how Are You Today"Multimedia Function: You Can Set Shortcut Keys Such As Pause, Play, Previous Song, Following Song, Open My Computer, Etc.Connection Type: Wireless BT/Wired USBNumber of Keys: 2 Position 4 KeysSwitch Type: Mechanical SwitchBattery Type: 2 x AAA Batteries (not Included)Compatible Systems: For Win, for Linux, for OS X, for Android (if It is a for Linux or for OS X system, you need to modify the key definitions in win, and then plug the switch into for Linux or for OS X to Us.Package List:1 x USB Foot Pedal1 x Data Line1 x User ManualNote:Shipped Without Battery