1. Use RK2602A solution 2. Support MP3/WMA/WAV format 3. Support MPEG-4 AVI format Video palyer 4. Eight kinds of EQ preset (Normal, 3D, Rock, Jazz, Bass, Pop, Classical, User) 5. Muti kinds of play modes 6. A-B repeat function 7. 2.2 inch TFT screen 8. ID3 tag display 9. Key lock function 10. USB 2.0 port 11. Multi-language OSD 12. Built-in Li-Polymer rechargeable battery 13. SD/MMC card slot support extend capacity upto 2G 14. E-Book function