Engineered exclusively for iphone 7 the smart battery case gives you even longer battery life while offering great protection inside a soft microfiber lining helps protect your iphone and on the outside the silky soft touch finish of the silicone exterior feels great in your hand a soft elastomer hinge design makes it easy to put the case on and take it off charge your iphone and battery case simultaneously for increased talk time long hours internet use long hours on 4g lte and eve