Features: Easy to keep in bag or pocket Compact & lightweight Portable power box, compatible with a variety of electronic devices, smart phones, tablets, bluetooth headset for iPhone and iPad Build-in rechargeable battery, simple design High efficiency of power conversion Electricity-saving function Portable, practical and long cycle life Safe and reliable, perfect for using on travelling and outdoor activities Specifications: Polymer Battery Capacity: 5000mAh Battery Indicator: heartbeat style LED: No Input: 5V / 1A Output: 5V / 1A What's in the box 1 x Power Bank