The Dux is a sleek and rugged case designed to complement the Type Cover and Surface Pen while protecting your Microsoft Surface Go. Mil-Spec Approved tested to meet or exceed U.S. Dept. of Defense Standard 810G protocols (26 drops from 4 feet. Infinity Hinge accommodates a full 180-degree range of angles for typing, drawing, and viewing. Portraithorizontal viewing option with maximum stability. Integrated pen storage discreetly secures the instrument to the case while making it easily accessible. Transparent case provides the ability to customize with photos or ID tag, or simply let your device shine through. Unobstructed access to all ports and buttons. Seamless Type Cover compatibility. Strong and flexible bumper makes device installationremoval easy with no tools.