... .mobile,mp3,mp4,PC,IPOD and other audio speaker 2.one year warranty 3.fashionable design 4. ... to the DC5V power input socket of speaker, and to charge or recharge this speaker system. 2. With SD/MMC, ... No need to shift among U disc/SD/MCC, speaker automatically read the first input media device, If first input ... you need to take out SD/MCC card, then speaker can read MP3 music file from U Disc. 4." ...