Fast Charging Slim Power bank 10000mAh with built in cables

Specifications:

1.Battery: 10000mAh

2.Battey Type: Grade A Li-polymer 

3. Input:5V/2.1A

4.Output: 5V/2.1A

5. Size:146*72*15MM

6.Colors: white,black

7. Functions: overcharge,over discharge,short circuit etc protection better keeps you and devices more safe