Sminiker iphone 6/6s battery case External Battery Charging Case Extended Backup Battery with Micro USB Input (Gold) 1.The iphone 6/6s battery case powerful 3100mAh built-in lithium polymer battery can effectively provide 100% additional battery life to your iPhone 6/6S (4.7 inch) 2.Apple MFi Certification is approved by Apple to work with all functions of your iPhone 6S/6 charging case. 100% full compatible support with iOS 9+ and future iOS software updates. Ultra slim, 360 scratch-guard protection minimizes bulk and weight for iPhone 6S/6 charger case. Raised front bumper stands higher than your iPhone screen to avoid contact with other surfaces. 3.External Battery Charging Case LED lights indicate remaining power of battery case,the resilient design of the iPhone Charger features LED battery level indicator that lets you know exactly how much power you have; and a softer side that safely holds your iPhone while providing easy access to all buttons and ports. 4.iPhone 6S/6 battery case features precise cuts and accurate design; Easy access to all ports, sensors, speakers and camera. Extra battery life means 12+ hours talk-time, 288+ hours standby time, 60+ hours audio time, 13+ hours of video and 12+ hours of 3G surfing time for iPhone 6S/6. 5.Backup Battery compatible with Apple iPhone 6s/6