Aluminum alloy metal casing is more durable High efficiency output, high capacity polymer cell energy storage Ultra-thin shape, easy to carry Rounded texture for firm grip and more comfortable Ultra-thin shape, easy to carry High quality circuit chip, multi protection LED light indicator Micro Input: 5V/1A USB output: 5V/1A What's in the box 1x Instruction Manual 1x Micro USB Charging Cable 1x Power Bank