T-Shirt design power bank

1. Capacity: 4000mAh Li-lion 18650 battery;
2. Material: ABS;
3. Life time: ≥500 times;
4. Input: 5V1A, Output: DC 5V 1A;
5. Unit size: 9.7*7.7*1.1(cm);
6. Color options: white, yellow, green or custom color;
7. Net weight: 102g
8. Accept custom logo or full color printing;
9. Cute T-shirt design, ideal promotional gifts.