... ,iphone , 3.built-in lithium battery wireless portable bluetooth speaker ,mini for mobile/mp3/mp4,aluminum Specification* Power: 3W * ... Power: bluetooth class 2* Product weight: 0.22kg * Aluminium housing to be more attractive and fashionableFeature *supports for A2DPV1.2 ... iPad, Droid (with latest operating platform) and other bluetooth devices *Inbuilt lithium battery with 3 hours working time* ...