Mikasso Universal 3500mAh Mobile Power Source Bank for IPHONE / Samsung + More - Blue
Compatible with iPhone 5 iPhone 4 / 4S Samsung Galaxy S3 i9300 / S4 i9500 / Note 2 N7100 and other smartphone; Convenient to charge your device anytime anywhere; Compatible with most cell phones supply 5V power for digital products; portable to carry; built-in overcharge discharge protection intelligent protection board; large capacity The case of the power bank is metal; good for emitting heat. It is named as ultra thin safety power bank.