More Power - Featuring a 4500mAh Li-polymer rechargeable battery that can provide 100%+ extra battery life for your Galaxy S8. Equivalent to 24 hours of talk time or 16 hours of web browsing. (Compatible Galaxy s8 2017 ONLY) Durable Design - Protects your Galaxy S8 from scratches and wear and tear due to 360 degree comprehensive bumper design and hard-shell backplate. Unmatched Accessibility - Quick-charge sync-through technology easily lets you sync to your computer without removing the case. Charge your Samsung Galaxy S8 and battery case simultaneously. [ For Optimal Charge, please use your original Samsung stock cable to charge the battery case and your phone. No additional cable is included.]

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.