Ultra Slim Design- Attractive and exquisite easy to carry.It only account of the 1/10 of lead acid batter with same sizeonly 0.2 inch to the thickness of your phone and weighs in at under 2.8 oz.</br>Creative design case can be used as a phone case also that doubles as a power bank for recharging the phone on the go. Portable and easy to carry onsuitable for the stand by power supplies to travel tourism long distance business in car and ships field work or power outage environments.</br>Integrated circuit designeffectively avoid shorting circuit or overcharge even under extreme conditions of wrong operating.With smart switching and precise power dispaly to extend the life of the built-in battery.</br>360 degree to protect your iPhone from scratches and other daily wear and tearsmall and convenient enough to fit easily in your hand or in your pocket.</br>LED battery level indicator in the back of this battery case easy to knows how much power you have; ultra slim and soft-touch design to make you feel comfortable and portable to carry your iPhone.</br></br>Product Description</br></br><b>Specifications:</br> - Color: Silver?? Gr