backup mobile power for iphone 4/4s 1.Capacity:10400mAh 2.Output :5V,1000mA 3.Input:5V,1000mah 4.GW:295g backup mobile power for iphone 4/4sSpecification: Battery cell Li ... unique shapeJust only one clicked switch and use power bank easily and conveniently*Universal power bank,Charging digital products such as digital ... ,can be used as promotional gifts high quality backup mobile power for iphone 4/4s