IWO iFreeX 4000mAh External Power Bank for Android

Add a powerful battery backup to your smartphone.
Compatibility Charge your Android phones with Micro USB port.
Built-in short micro USB cable Allows easy connection to your compatible device.
LED power indicator Shows remaining power.
Nano absorption Prevents your phone from slipping during charging.
Multi-protection safety system Over charge, over discharge, over voltage, over current and short-circuit protection.
Specifications
Capacity 4000mAh
Battery Type Li-po battery
Input DC 5V 1A
Output DC 5V 1A
Product Weight 105g
Product Size 126L x 67W x 10H mm