The mophie Juice Pack Wireless Charging Protective Power Pack Case helps you get through your day with on-demand power and enhanced protection. Simply tap the juice pack case to any Charge Force accessory, and the magnetic mounts will line with the case for a consistent charge every time, and the charging begins as soon as it comes into contact with the charger. This innovative Power Pack case features an ultra breakthrough charge force technology that allows the Smart charging circuitry to give only the optimum amount of power for fast and safe charging. You can select when to charge or preserve some power for when you need it most with the integrated standby button. The power case supports Qi as well as other wireless charging technologies often found in airports, coffee houses, cars, and other locations that enable wireless charging. When connected to a computer, the accompanying micro USB cable enables pass-through charge and sync, allowing your iPhone to be charged first, followed by the battery case.