2016 New Design Built-in Mircro Ultra Slim 4000mah Power Bank

 1. Up to 4000mAh enough capacity battery, fashion design and fit for worldwide market.2. High quality Li-polymer, OEM brand, safe and reliable, stable function, longer standby time, then 500 times cycling charging-discharging capacity more than 80%.3. With build-in cable, You can charge anywhere spare the trouble of bring aditional charging cable.5. It is suitable for various mobile phone models.6. Three colors to choose, To suit for your character.7. With power indication, To show the power at any time.8. CE,RoHS,FCC certification.