... to charge. 2.Portable emergency battery. 3.CE, FCC,ROHS approved. 4.OEM&ODM For iPhone 4 protable emergency battery 1000mAhProduct Features:Easy to take: Smart ... * H 61mmWeight:65gCE, FCC & RoHs approved.Compatible withWork for iPhone 4, iPhone 3GS,iPod nano 5th generation, all iPhone 3G, iPhone, all iPod models. For iPhone 4 portable emergency battery