This Hi-MD? portable audio recorder is ideal for journalists and musicians who need to make high-quality stereo audio recordings using cost-effective removable storage media. The MZ-M100 recorder comes supplied with an ECM-DS70P Stereo Microphone and MDR-EO931Earbud Headphone. The recorder uses affordable Hi-MD? media with 1 GB storage capacity. Three recording modes are supported including: Linear (PCM) 44.1kHz/16-bit, ATRAC3plus 256kbps (Hi-SP) mode and ATRAC3plus 64bps (Hi-LP) mode. The recorder supports USB uploading + downloading with PC (using supplied Sonic Stage software), and USB uploading with MAC (using supplied Hi-MD WAV importer software), allowing transferring audio recordings to a computer in .Wav file format. This Hi-MD? device can also be used as a USB mass storage device, allowing storing data files on the Hi-MD? disc along with audio recordings