Seeme 4200mah Extended Battery Case Back up Power Bank for Iphone 6 Plus 5.5 Inch (Gold) The powerful 4200mAh built-in battery can effectively provide 120% additional battery life to your iphone 6 plus, which adds additional 11 hours of talk time and 15 hours of web browsing time. Featuring a fully protective hardshell case with the minimum added bulk. Enjoy the comprehensive protection while still maintain the slim form factor of your iphone 6 plus The Atomic Battery Case also has the following functions built-in: charging switch, LED battery level indicator, charge & sync through the case, headphone jack cutout, function button cutouts and hands-free kickstand. Charge both iPhone 6 plus AND battery case without removing the battery case (Switch the power button of the battery case to off position) Built-in kick stand for video watching or face time