1.Audio format: MP3/WMA format 2.Video format: AMV,MTV format 3.1.5"CSTN(65K Color) and Support JPG photo viewer, screen protection function 4.Action 2085 controller USB 2.0 Full speed 5.Built-in Speaker of high sensitivity 6.Built-in 32MB/64MB/128MB/256MB/512MB/1GB Flash memory with portable USB storage function 7.Support Voice recording function 8.Support ID3 and Lyric Synchronization, multi-language with graphic interface 9.Seven Equalizer presetting 10.Playback: Normal, Repeat one, Repeat All, Shuffle, Preview, continual playback 11.Support repeat function 12.Support A to B function 13.Support Phone directory function 14.Support E-book function 15.Support Game function 16.FM built-in (optional) and setting 20 channel, and FM recording function 17.Power: Build-in rechargeable Li-polymer Battery for over 8 hrs playtime