1) mp4/wma/mpx (can save wmv, wma, asf, mpg, mpeg, mov, avi into amv), supports mpv, mpeg i/ii layer 2/3,8 - 448kbps 2) usb flash disk,256mb/512mb/1gb,2gb built in flash memory 3) digital voice recording; 8 hour recording for 128m and vox recording 4) 1.5" lcd,65k cstn color display 5) fm radio optional 6) id3 supported, lyric display 7) supports multiple languages on manual: English, chinese, japanese, korean, french, german, italian, dutch, portuguese, spanish, swedish, and denish 8) 7-mode equalizer 9) function of browse of jpeg picture 10) e-book function supports txt word file 11) repeat modes: A-b, normal, repeat all, random 12) usb 2.0 specification supporting, read:800kbps, write:650kbps 13) long time playback (up to 6 hours) 14) rechargeable lithium battery through usb/ac charger 15) colors: Black, white 16) super slim size:90mm x 40mm x 7mm 17) after-sales service:1 year warranty 18) standards: Ce, fcc, sisvel 19) no driver needed for windows me,2000, xp or above