Made for Samsung Galaxy S7
The powerful 4500mAh built-in battery can effectively provide more than 100% additional battery life to your Galaxy S7, which adds additional 12 hours of talk time and 15 hours of web browsing time.

Synchronization
Featuring a MicroUSB input port and lightning output port, the case has data and power pass-through enabled. Your Galaxy S7 can be charged and synced while encased via the included MicroUSB cable.

Protection
Two piece design: A fully protective hardshell case with the minimum added bulk. Enjoy the comprehensive protection while still maintain the slim form factor of your Galaxy S7.

Other Features
The DX-S7 Portable Charger Battery Case also has the following functions built-in: charging switch, LED battery level indicator, charge & sync through the case, headphone jack cutout.