1. 1.1 inch 65k true color OLED display 2. mass memory: 128M/ 256M/ 512M/1024M optional 3. Movie and MTV player, synchronized video and audio display 4. Support MP3/WMA/WAV/DMV 5. two earphone hole enables two persons to enjoy music and movie with one device at the same time 6. Can save WMV, ASF, MPG, MPEG, AVI into .DMV 7. USB 2.0, fast download speed 8. ID3 support, Lyrics display 9. SP/LP digital recording function 10. Electronic album, FM Radio function 11. Play mode: Repeat A-B, repeat one, repeat all, repeat catalog, follow read etc 12. EQ modes: JAZZ, CLASSIC, ROCK, POP, NORMAL,SOFT, DBB 13. Multilingual support: such as English, Chinese, Traditional Chinese etc 14. No driver needed above Win98 15. built-in powerful rechargeable Li-polymer battery