This 10000 mAh Power Bank is for use with compatible electronic devices 

• Battery Type: Li-Pol
• Capacity: 10000mAh ( 37Wh)
• Dimensions: 63 x 91 x 22.1 mm
• Weight: 176g
• Includes Micro USB Cable

Charging the powerbank -
Charge the powerbank by using the USB / micro USB cable, which is included in the package. The four small LED lights on the powerbank indicates the status of the charging process. As soon as all the LED lights are on, unplug the charger and the powerbank is now ready for use.