Color:Black-13  |  Size:5.5 Inch The Smart Battery Case is engineered specifically for iPhone to give you even longer battery life and protection

The soft microfiber lining on the inside helps protect your iPhone, while the soft elastomer hinge design makes it easy to put the case on and take it off again

On the outside, the silky, soft-touch finish of the silicone exterior feels great in your hand.Stylish DesignIt devotes to iPhone,designed with the user in mind,the elegant black profile of the case makes it the perfect matching accessory in almost any situation.Long Power LifeBuild-in capacity lithium polymer battery,the powerful 3700mAh rechargeable battery case provides long play music video and talking time, double stand-by time for iPhone.Charging and Protecting 2 in 1Not only a portable charger, but also a protection for cellphone from scratches and other daily wear and tear

Internal high quality chips also protect your smart phone from overheating, short-circuiting and over charging.Integrated Circuit DesignEffectively avoid short circuit or overtime charge even under condition of wrong operation.Intelligent Switch and Convenient LED IndicationDesigns with intelligent switch, easy to operation.4 LED battery level indicators, you can know exactly the power condition of the battery case through the LED color