Use supplied USB cable to transfer audio files. If unable to transfer files, plug recorder directly into USB jack of computer. Cable connection is desirable as recorder weight may damage computer USB connectors; Software program Sound Organizer, installed on Library laptops, can be used to organize and edit audio files created by this recorder. ; Creates MP3 audio files; 4 Gb built-in memory; 8 Gb SDHC card; stereo microphone; direct USB connection; intelligent noise cut playback; scene select; playback speed control; built-in speaker; mic jack; headphone jack; full specification http://www.sony.ca/en/electronics/voice-recorders/icd-px440/specificati…; Included accessory is an external electret condenser mic to use as a tie-clip or group interview mic; 360 degree rotating clip, stereo recording