Ultrathin Keyring portable USB charger 4000mAh power banks

1.Grade A Li-polymer battery,over 500 cycle lifes
2.With battery indicator,showing battery capacity status

3.Casing material: Aluminum

4.Great safe system design (Over voltage, over current and short circuit protection)

5.Input: 5V/1.0A; Output: 5V/1.1A

6.Optional Color: Colorful or customized

7.Accessories:
1X Micro USB charging cable w
1X Color box

Contact us:

Telephone:+86 755 25608673

Address:Floor 8,huguang building,Longgang Road, Shenzhen China