1) MP3 / WMA / AVI (Can save WMV, WMA, ASF, MPG, MPEG, MOV, RMVB into AVI). Support MPV, MPEG I/II layer 2/3, 8-448Kbps. 2) USB flash disk, 128MB/256MB/512MB/1GB/2GB/4GB built in flash memory 3) Mini SD card support 4) Digital voice recording; 8 hours recording for 128MB and VOX recording 5) 2.4" QVGA TFT display (320X240) 6) Touch panel, FM radio optional 7) 7 mode equalizer, Function of browse of JPEG picture 8) E-book function, support TXT word file. 9) Repeat A-B,Normal, Repeat All, Random. 10) USB 2.0 specification supporting 11) Long time playback 12) Rechargeable lithium battery through USB/AC charger 13) After sales service:1 year warranty 14) Approval:CE, FCC 15) No driver needed under Windows ME, 2000,XP or above (except Win98)