Trnasfer up to 45 CD`s onto a 1GB Hi-MD disc with ATRAC3plus compression, SonicStage 2.0 software for easy music management and unlimited check outs of your favourite tracks, Supports all popular digital audio compression formats: ATRAC / MP3 / WMA / WAV, Stick type remote control, Record from multiple sources: USB-in / Mic-in / Analogue-in / Digital-in, Extreme fast music transfer from and to PC:1 CD in less than 40 seconds, Capable to store audio- video and data files on your Hi-MD disc / Word{PowerpointATRACMP3JPEGMPEG, Rechargeable battery, Long battery life of up to 27 hours (approx.), Shock Resistant System: G-PROTECTION.