Ruber coating,2 USB-A port,and added independent input port MICRO USB,you can charge the power bank and your device at the same time.
Specification
Dimension: 101.2*45*22 mm
Weight: 180 g
Battery Type: Li-ion 18650
Capacity: 7800mAh
Micro Input: DC 5V/2.1A
Type-C Input: DC 5V/3A
Type-C Output: DC 5V/3A
USB'A Output: DC 5V/2.4A
Protection functions: Short circuit,overcharging,overdischarging,overcurrent
Life cycle: ≧300