Mini vibration speaker with Rechargeable built-in lithuim battery OEM&ODM oders accepted CE&FCC&ROHS certified Vibration Speaker with Rechargeable Li-batteryFeaturesMini vibration ... controlCan read TF cardBuilt-in rechargeable Li-ion Battery.Audio Source: PC,MP3,MP4,MID,CD,DVD,Mobile phone,iPhone,iPod etc.When ... cable,another for USB cable)User manual Vibration Speaker with Rechargeable Li-battery