1.Support MP3/WMA etc. Music Format 2.Lyrics Display 3.7 Kinds of EQ 4.Telephone book, Text file reader 5.OLED in double color 6.Li-on battery 7.FM stereo Built in 8.36 hours recording time ( 128 MB ) and VOX technique 9.Design unique display after power on 10.Memory function for power off 11.Switch on automatically when connect with plug 12.A-B repeat 13.11 kinds languages?燤ultimedia game (optional)? 14. housing color : red. blue, siver ,balck? Specification: 1.SIZE: 6(L)*3.1(H)*4(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