... ,alarm,mic 3.Mp3 wma wav Small usb mp3 recorder module 12v for wooden speaker FEATURE 1,Support MP3,WMA,WAV decode ... delete files from SD,usb,MMC,TF card. 6, One route AUX input connecting MP3,MP4,Mobile,PC,NOTEBOOK and ... of outage. 11,SD/MMC CARD controller 12,USB flash disk and SD card automatic convert to the ... DC 5V Battery 3.7v FUNCTION 1,Music support MP3,WMA,WAV,AUX playing. 2,Record support MIC, ...