External Battery Case for iPhone 4/4S MJD0570

*Built-in rechargeable lithium-ion battery
*Charging via USB to computer system or power adapter
*Output : 5V 500mA
*Input(Micro USB) : 5V 500mA
*Capacity : 1900mAh
*Charging time: 3.5 hours
*Discharging time: 3 hours
*Dimension: 12.5*6.3*1.5CM /about 65g *6 Color: Black, White, Purple, Brown, Blue+black, Green+black *Certification: CE , ROHS , FCC
*Suitable for iPhone 4 /iPhone 4S *Package: crystal box or Blister+paper box package