Play/pause, Next, Previous, or any command or keystroke Rear hinged, perfect for transcription playback control Includes programming software for Windows. MAC and Linux users will need to program the device in HW mode on a Windows 7/8/10. Once programmed the macros are stored on the devices MCU, the unit can then be brought over to a computer running MAC/Linux for use. USB connection to computer Resting a foot on the center pedal activates a command. Perfect for dictation playback, microphone activation, or media playback. The outside pedals hinged in the rear provide additional functions easily reached to the left or right of the main pedal. Rear hinged foot pedal allows the user to comfortably rest a foot on the main pedal and keep it active for long periods. Great for transcription playback control. Alleviates RSI Issues.