iPhone 7 Plus Battery Case, Marsno Smart iPhone Charging Case 4000mAh Rechargeable Extended Battery Pack Power Cases for…

360°Full Protection Design: Marsno iPhone 7 Plus / 8 Plus battery case offering your iPhone great protection and secure grip featured with 1.2mm raised front lips to protect your iPhone 7 Plus / 8 Plus from scratches, bumps, drops and more.
Slim and Powerful Design: More than double your iPhone’s battery life without doubling its size (adds only 0.23in & 3.6oz), The 4000mAh battery case provides an extra 61 hours audio, 24 hours 3G talktime, 14 hours video, 12 hours web browsing or 3 hours 3D gaming to your iPhone 7 Plus / 8 Plus .
【IMPORTANT NOTE】: Not compatible with Apple stock, wireless charging or traditional 3.5mm headphones. ONLY compatible with Apple Airpod Bluetooth headphones or any other wirelessly connected headphone accessories.
Advanced Sync-through Technology: Allows you to sync your iPhone 7 Plus / 8 Plus to your computer without removing the battery case. Charge the battery case and iPhone 7 Plus / 8 Plus  simultaneously with your iPhone lightning cable.
100% Money Back Guaranty: Marsno battery case comes with “WORRY-FREE 24-MONTH WARRANTY”, RISK FREE 100% money-back guarantee, 7*24 friendly customer service and life-time technical support.