Alpatronix BX140 (4.7-inch) 3100mAh Ultra Slim Battery Case Protective Portable Rechargeable Extended Charging Cover Compatible with iPhone 6S & iPhone 6 [MFi Certified, iOS 12+ Support] - Black MORE THAN 100% CHARGE: Powerful rechargeable 3100mAh UL-certified internal battery for iPhone 6 and iPhone 6S helps keep your phone charged the entire day. ONLY for 4.7-inch model. MFi CERTIFIED: Made for iPhone 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. This battery case has the highest industry regulatory certificates: MFi Apple Certified chip, CE, RoHS, and FCC. 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 output port's connector chip. 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. WHATS 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 dont like your purchase for any reason.