Prong iPhone6s Battery Case with Plugs, Prong Extended Battery Case for iPhone6/6s (Removable Backup Battery) with 2600mAh Capacity/100% Extra Battery Pack Juice Bank Cover [Apple MFi Certified]Black Cord-free charging via a rechargeable and detachable 2600 mAh lithium battery Integrated, flat-folding charging prongs make it possible to charge up where ever you 4 LED light charging indicator for when you want to quickly see how much battery is left in your case Quick 1 amp recharging speed Additional micro USB and audio adapter included