ULTRA SLIM DESIGH: the battery case is maybe one of the slimmest Battery Cases one the market. Only 0.16 inch of thickness added. For the Portable Chargeryou should choose a little thinner. Deluxe matte exterior provides secure grip and protection.</br>FEATURING SYNC_THRU TECHNOLOGY&LINE CONNECTION:You can sync both your iPhone 6 4.7 inch to your Macbook PC computer laptop or tablet without having to remove the battery case.like u-disk Simultaneously charge and data transfer through the lightning output port and micro USB input port with the included micro USB cable. Line connectioncharge transfer is still unabated.No extra micro usb cable</br>CONVENIEN EASY TO USE : Use your iPhone as your normally would. When your iPhone's battery is low or you need to charge your iPhone just press and hold the power button on the case. Your iPhone will then start charging. 4 LED indicators on the back of the battery case to indicate how much juice is available to your iPhone.</br>A BELOVED DESIGNNOW WITH MORE TO LOVE: Smooth rounded design of rear cover ensure that the iPhone combined with the battery case and still be able to maintain its own style and feel. Back cover through a special process?? can effectively prevent fingerprint marks?? and keep the visual appearance and smooth holding</br>.LONGER BATTERY LIFE:The powerful 2400mAh Li-polymer rechargeable portable charger battery can effectively provides an extra 11 hours 3G talktime?? 9 hours HD video play ?? 9 hours web browsing or 7 hours gaming to your iPhone 6 .Easily insert your iPhone 6 into the orig