Mophie Juice Pack is a protective case with a built-in power bank +50% battery life Integrated battery with a capacity of 2400 mAh Priority charging Pass-through charging, the phone is charged first and then the battery Low-profile design Fits comfortably in the hand Internal rubberized pads Additional protection against the effects of falls Raised corners Additional protection against screen scratches and cracks LED power indicator Press button to turn the battery on/off or display its charge level Front-facing speakers 50% post-consumer recycled plastic