New ultra thin polymer metal card mobile power bank 4000mah with built-in cable and rubber oil finish surfance

Shenzhen factory supply 2500mAh ultra thin card type power bank can be customized logo OEM

*Advantages of the automatic mobile phone charger :

1. Newest design Super slim power bank 

2.Li-polymer battery 4000mAh 

3.Colorful hot-transfer printing workable

4.Built in cable (both micro usb and iphone 5/6/6+ charging adapters included)

*Tips:

1. Do not impact, strike, disassemble or repair this 4000mah slim power bank by yourself.

2. Do not throw it into fire, high temperature or water. 

3. Please use the specified charger.

4.If the item or the devices to be charged tended to be expand, please stop usage.

5. Note that the moisture waterproof.

6. Please keep it out of the reach of children, intended for adult use only.