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
