... 2.Can as a speaker 3.OEM is welcome 4.Absolute factory price power bank for phones 1.Description:Item:power ... bracelet4.The delivery time timely, best service.4. Mobile power with speaker5.Use to Promotion , gifts, AD, Shop, SuperMarket.5. USB ... Easy for use,simple in assemble.Works W/O unlock and jailbreak7.Campatible Range:iPHONE4/iPHONE4SRemark: Factory Power power bank for phones with Speaker ...