Nekteck iPhone 7/8 Battery Case, 3100mAh iPhone 8 battery Case External Protective Charger Charging Case Backup Pack…

IMPORTANT NOTE: Not compatible with Apple stock or traditional 3.5mm headphones. ONLY compatible with Apple Airpod Bluetooth headphones or any other wirelessly connected headphone accessories.
The powerful 3100mAh Li-polymer rechargeable battery can effectively provide 100%+ extra battery life to your iPhone 7 4.7-inch, which is equivalent to add 14 + hours talk time or 10+ hours web browsing time.
Designed specifically for iPhone 7 4.7 Inch with full-body ultra slim protective battery case designed with minimum added bulk. Enjoy the comprehensive protection while still maintain the slim of your iPhone 7.
Apple Certified connector: which means it’s made with apple certified connector so you can expect quality performance and reliability. Worry-Free of compatibility or safety issues. No errors whatsoever.
Featuring sync-through technology that you can sync your iPhone to a computer without having to take the battery case off. Simultaneously charge your iPhone and battery case together with the included microUSB cable.