10400mah big capacity power bank with LED bill checking function

1. Capacity: 8800mah and 10400mAh optional
2. Cell: Li-ion A grade battery
3. Input: 5V 1A
4. Dual Output: 5V 1A & 2A
5. Input charge time: 7~8 hrs
6. Case material: ABS
7. Size: 110*80*25mm
8. Weight: 480g
9. Color: Gold, white,green, black
10. suitable for all mobile phones

feature:
1. with Bill checking funciton
2. Dual USB port can charge 2 device at the same time