... mic 3.Mp3 wma wav 2.1 2.0 mp3 speaker module for wooden speaker FEATURE 1,Support MP3,WMA,WAV decode ... 10,Remember songs and radio stations in the context of outage. 11,SD/MMC CARD controller 12,USB flash ... DC 9V— 18V DC 5V Battery 3.7v FUNCTION 1,Music support MP3,WMA,WAV,AUX playing. 2,Record ... 5,USB2.0 HI-speed, compatible perfectly with USB1.1. 6,Eight ranks contents 7,Perpetual calendar 8,Support ...