[Apple MFi Certified] SAVFY iPhone 6 6s Battery Case 3100mAh Polymer Battery Fast Recharge Rate Gold Battery Charger Charging Case Battery Pack Charger Case for iPhone 6/6S 4.7" APPLE MFI CERTIFIED: Approved by Apple, work with all functions of your iPhone 6S/6. 100% full compatible support with iOS 9+ and future iOS software updates. It match the apple safety and regulatory standards POWERFUL BATTERY CASE: 3100mAh Li-polymer rechargeable battery can effectively provide 100%+ extra battery life for your iPhone 6, which is equivalent to add talk time and web browsing time. BATTERY LEVEL: The resilient design of the SAVFY 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. Comprehensive bumper design and hard-shell backplate, Portable Charger protects your iPhone from scratches and other daily wear and tear, yet small and convenient enough to fit easily in your hand or in your pocket FEATURING SYNC-THROUGH TECHNOLOGY: SAVFY iPhone Charger Case allows you to sync your computer without having to removing the case. Simultaneously charge your iPhone and battery case together with the included microUSB cable. The case deploys micro USB input to lightning 8pin output