1.Read file 2.Function--record,mp3,aux,usb,sd,tf,repeat, ... New record module for wooden audio 2.0/2.1 FEATURE 1,Support MP3,WMA,WAV decode palyback. 2, American SRS(Surround-Sound),wonderful ... DC 5V Battery 3.7v FUNCTION 1,Music support MP3,WMA,WAV,AUX playing. 2,Record support MIC, WAV. 3,FM ... Radio. 4,Host function. 5,USB2.0 HI-speed, compatible perfectly with USB1.1. ...