iphone4 power bank 1.rechargeable backup power bank 2.universal ... for Iphone4/4sSTANDBY TIME4500minsFunctions:1,protection 2,charge 3.speakerColors:Black/pink whiteInput voltageDC 5+ ... speaker for better performance in playing&speaking,charge to iPhone anywhere&anytime4.High performance in ... his product5.Keeping iPhone connector,1 cable charge 2 batteries at the same time,the total power ...