The Black Sony Icd-Px470 Stereo Digital Voice Recorder Has An Integrated Usb Record sounds and voices in superior clarity with this stereo digital voice recorder featuring built-in USB for easy file transfer and expandable memory to capture every second. Enjoy up to 55 hours of battery life and adjustable microphone settings, Plus auto voice recording that reduces background noise so you can always hear what's being said. Input Output Terminals: [PC I/F] Hi-Speed USB [Input] Stereo Mic-in jack [Output] Stereo Earphone jack Built-in, Direct USB connection for quick file transfer to your PC Expand your memory with the micro SD card slot Up to 55 hours of battery life for extended recording Adjustable microphone range for clearer voices Auto voice recording reduces background noise In the box: IC Recorder, size AAA alkaline batteries (2), Operating Instructions, Warranty card