2.support MP3, WMA, MTV 3.OLED colour backlight/FM 4.65K colour screen 5.picture browsing(JPEG) 6.digital voice recording/A-B repeating 7.Chinese & English menu 8.multi-file play/lyric synchro display 9.encrypted U disk 10.seven sound are balanced/eleven languages 11.rechargable lion battery 12.colour of case(red, blue, silver)