Lumsing 4000mAh Ultrathin Mini Portable External Battery Power Bank (Black)
Product Specification:
| Color | Black |
| Weight | 3.21 oz |
| Size | 3.74x2.56x0.31 inches |
| Battery Type | A lithium polymer battery product |
| Capacity | 4000mAh |
| Input | Micro USB 5V / 1.5A |
| Output | USB 5V / 2.1A |



