MORE THAN 120% CHARGE: The iPhone 8 battery case includes a powerful, rechargeable 3200mAh internal battery for your iPhone 8 to keep your phone charged the entire day. ***IMPORTANT*** NOT compatible with Apple Earpods with Lightning connector or traditional 3.5mm headphones. ONLY compatible with Apple Airpods or any other wireless Bluetooth headphone accessories. APPLE CERTIFIED CHIP: Approved by Apple® to work with all functions of your iPhone 8 charging case. 100% compatible with iOS 11, Apple Pay, and future iOS software updates. Charge and/or sync your iPhone while in the iPhone 8 extended battery case using the included micro USB cable. ULTRA SLIM PROTECTION: 360° scratch-guard, dual layer protection. Compact design minimizes bulk and weight for iPhone 8 charger case. Top piece slide-in design adds better security and protection. The front of the case has a raised bezel providing front screen protection against the surface. Also includes a tempered glass screen protector.