Size: 154*74*15.5mm Material: plastic Surface finish: varnishing Optional color: white, pink, green, blue Capacity: 12000Mah Battery type: Li-Polymer Input: 5V/2A, micro USB port Output: 5V/1A and 5V/2.4A, USB port Charging time: about 15 hours Life circle: more than 500 times Protection: overvoltage, over current, short-circuit