Infinity USB Foot Pedal w/ Express Scribe Professional Software Supports audio and video playback (DSS, DS2, DSS Pro, MP3, WAV, WMA, AIFF, MP2, VOX and more ) Plays most formats including encrypted dictation files. Works with Microsoft Word and all major word-processors Automatically receives and loads files by internet (FTP), email or over a local computer network Compatible with all Olympus Digital Voice Recorders, Philips Voice recorder, Sony voice Recorder and more.