This is the Newest Romoss external battery Charger Power bank, It compatible with almost all smart phones and other device charged buy USB port. This compact and ultra long-lasting backup battery will let you carry the power source where ever you go
The most Suitable one is the best one
The most suitable external battery with appropraite size and capacity, easy to use.
6000mAh: Sufficient to charging iphone 3 times.
Dual USB output
Can charge two smartphones at the same time