Large Capacity Portable Mobile Power Pack Power Bank

Product information:
Color: white, black
Shell Material: Plastic
Additional features: Multi-U port output
Model: A21
Cell Model: 955465 or 18650*3
Protection circuit: Yes
Input: DC5.0V/2A
Size: 92X 63X 23MM
Compatibility: 99% smartphone and tablet.
Output: DC 5.0V * 2/1A-2.1A