... iPhone4, charging&data sync it is a protective case, 1900mAh capacity charge for iPhone4Description:1,Input:5V-1A Output:5V-500mA ... 2,Capacity:1800mAh(Li-Pol) 3,Product Compatibility: iPhone4 4,Standby time ... ×16mm 6,Weight:65g7,Charging cable included8,Neutral packing 1900mAh capacity charge for iPhone4