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 32MB/64MB/128MB/256MB/512MB/1GB Flash memory with portable USB storage function 6. Support Voice recording function 7. Support ID3 and Lyric Synchronization, multi-language with graphic interface 8. Seven Equalizer presetting 9. Playback: Normal, Repeat one, Repeat All, Shuffle, Preview, continual playback 10. Support repeat function 11. Support A to B function 12. Support Phone directory function 13. Support E-book function 14. Support Game function 15. FM built-in (optional) and setting 20 channel, and FM recording function 16. Power: Build-in rechargeable Li-polymer Battery for over 8 hrs playtime