This charging case is made by the leader in protection for your iPhone, OtterBox. It has military-rated drop protection for your iPhone 5/5S. It has a 2,000 mAh lithium polymer battery that will more than double your iPhone battery life. It uses the included micro USB cable to both charge and sync your device while in the case. It has an on/off button and battery indicator light so you choose when to use the extra power when you need it. This is an Apple Certified Product and has a one year warranty. Recommended add-on is the tempered glass to protect the screen while in the case.