MORE THAN 100% CHARGE: Powerful rechargeable 3100mAh iPhone 6S/6 battery case helps keep your phone charged the entire day. ONLY for 4.7-inch model. APPLE MFi CERTIFIED: Approved by Apple? to work with all functions of your iPhone 6S/6 charging case. 100% compatible with all iOS versions, Apple Pay, and future iOS software updates. Charge and/or sync your iPhone while in the iPhone 6S extended battery case using the included micro USB cable. ULTRA SLIM PROTECTION: 360? scratch-guard protection. Compact design 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. EASY INSTALLATION: Insert your iPhone 6S/6 into the lightning output port. The extended battery case uses a micro USB input port to enable recharging and data transfer. You can conveniently charge and sync both the battery case and iPhone 6S/6 to your Macbook, PC or laptop without having to remove the battery case. WHAT'S IN THE BOX: iPhone 6S/6 charger case, 2 bumpers (one matching and one additional clear bumper), micro USB charging cable, user manual and our legendary, super-friendly customer service. Life-Time ironclad warranty ensures you are protected for the life of this product and 30-DAY MONEY-BACK GUARANTEE offers peace of mind, enabling you to return the product in case you don't like your purchase for any reason.