Mainly features: 1. Capacity: 128MB/256MB/512MB/1GB 2. LCD display, blue back light 3. Compatible with MP3, WMA format 4. Language: simplified Chinese, traditional Chinese, Japanese, Korean, English, French, Italian, German, Spanish, Portuguese, Danmark, Dutch, Polish, Russian 5. File transfer rate>4Mbps 6. Weight: 35g(without battery) 7. Full speed USB 2.0 8. SNR>90db 9. Recording Time: 8hrs 10. Synchro lyric show 11. A-B repeat function 12. Tele book function 13. The playing speed is adjustable 14. Circle mode: normal, repeat one, folder, folder repeat, repeat all, random and introduce 15. 7 EQ mode: Normal, Rock, Dbb, Jazz, Soft, Classic, Pop 16. Support firmware upgrade 17. Support private space disk mode 18. Button hold function