... Electricity no power -wireless -portable Speaker For Mobile Phone 4g,self-powered speakerModel: LS-801Size: 17.1x13.3x4.2cmGross Weight: 0.28kg ... AirCurve Play will not require any battery, it is a self-powered iPhone speaker2)amplify your iPhone with ingeniously designed,placed air ... a gift box + blisterPaking pictures : Speaker For Mobile Phone 4g,self-powered speaker