1. Built in 128MB/256MB/512MB/1GB/2GB Flash Memory 2. Support MP3/WMA/WAV, USB2.0, OLED display 3. Support synchronous ID3 lyric 4. Support E-book and tel.book,record function 5. Multi-language display (Chinese,English,German,French,20 kinds of language) 6. Driverless with Win2000/XP/ME 7. 7 EQ modes: JAZZ,CLASSIC,ROCK,POP,NORMAL,SOFT,DBB. 8. 7 Play modes: Normal/Repeat 1/Repeat all/Random/Shuffle all/Intro/A-B section 9. Frequency range: 20Hz-20KHz 10. Earphone output rate: 5mW+5mW 11. S/N ratio: 90dB 12. Distortion: 0.1% 13. Max file allowance: MP3 to 320kbps/WMA to 192kbps 14. Built-in Li- battery