Designed specifically for iPhone 6/7 4.7 Inch (WILL NOT FIT iPhone 6 Plus 5.5 Inch) with full-body ultra slim protective battery case designed with minimum added bulk. Enjoy the comprehensive protection while still maintaining the slim form factor of your iPhone 6/7. •The powerful 3200mAh built-in smart lion-thium polymer battery can provide more than a full charge for your iPhone 6/7 battery. •Featuring lightning connector to charge iPhone and Micro-USB port for power input. Support both charging and data sync simultaneously. •Tested to be compatible with iPhone 6/7 IOS Operation System and following updates. Will not left you stranded running out of power with accessories not supported warning message from Apple IOS system. •Precise cut and design; Easy access to all ports, sensors, speakers, cameras and all iPhone features.