... Highly condensed lithium polymer battery4.Embedded electronics results in no signal interference with the iPhone 5.Acoustic ... Indicator7.Quick Speed,Soft-Touch Finish,Pass-through USB,Specification:Color:black,red,whiteCapacity:Lithium battery,1500mAhProduct ... 5oz,70gProduct Dimensions: 5.10 in x 2.57 in x 0.71 in; 2.5 ozColor:Black,yellow, ... external battery for iphone,Power supply, mobile phone battery