... audio 2.0/2.1 FEATURE 1,Support MP3,WMA,WAV decode palyback. 2, American SRS(Surround-Sound),wonderful tone. 3, ... MP3,MP4,Mobile,PC,NOTEBOOK and so on. 7,Integrated USB2.0 full-speed host controller 8, ... DC 9V— 18V DC 5V Battery 3.7v FUNCTION 1,Music support MP3,WMA,WAV,AUX playing. 2,Record ... HI-speed, compatible perfectly with USB1.1. 6,Eight ranks contents 7,Perpetual calendar 8,Support at most 999 ...