... color 5.Aluminum alloy casi For Iphone 4000mah A quality polymer Battery portable power bank Features1).Rechargeable up to 1000 times2 ... -discharging 6).Compatible with Mobile IPhone Specifications1. Cell type: Li-Polymer battery2. Output capacity:4000mAh3. Input: DC 5.0V, 500mA4. USB ... ,Golden,Blue,Pink,Silver,Red,green or customizedAccessories:1X power station, 1X user manual,