FEATURES & BENEFITS： 1.Music format: MP3/WMA 2. Lyrics display 3. Multi EQ mode 4. Mp3 files playback 5. A-B repeat 6. High quality voice recorder 7. Blue el backlight 8. USB male jack 9. Multi language selection 10.low power comsuption (last for 10 hours) 11.seven-colour backlight, FM built in (optional) 12.housing colour: red, blue, black, silver SPECIFICATION: 1.SIZE: 10(L)*2.1(H)*3.1(W)CM 2.Weight:20g 3.USB port:USB 1.1 4.SNT:85dB 5.THD:-56db 6.Phone output:5mw+5mw 7.Power consumer:50mw 8.Disk read/write speed:1000k bytes/sec, 800k bytes/sec