Logitech - Protection [+] Power External Battery Case for Apple&reg; iPhone 5/ 5s - Black/Gunmetal Compatible with Apple iPhone 5 and 5s Integrated hidden metal adapter Allows use with Logitech+ mounts (not included) Slim-style, 1800 mAh battery Withstands scratches and damage due to bumps and drops from heights of up to 4' to help keep your phone safe on the go The PC plastic outer shell and TPR inner layer offer reliable damage defense.