1) MP3 / WMA / SMV (Can save WMV, WMA, ASF, MPG, MPEG, MOV, AVI into SMV), support MPV, MPEG I/II layer 2/3, 8-448Kbps 2) USB flash disk, 128MB/256MB/512MB/1GB built-in flash memory 3) Digital voice recording; 8 hours recording for 128MB and VOX recording 4) 1.5" LCD, CSTN color display 5) FM radio optional 6) ID3 support, lyric display 7) Supports multi-language system 8) 5 EQ modes 9) Function of browse of JPEG picture 10) Repeat A-B, normal, repeat all, random 11) USB2.0 specification supporting 12) Long time playback (up to 10 hours) 13) Rechargeable lithium battery through USB/AC charger 14) After sales service: 1 year warranty 15) Approval: CE, FCC 16) No driver needed under Windows ME, 2000, XP or above(except win98)