Moxom MX-VS79 Bicycle Cell Phone Case Black with Adjustable Arm and Up to 360 Degree Rotation. For mobiles from 5.5" to 7.2". Its adjustment is quite quick and easy thanks to the reinforced arm it has and allows 360 degree rotation while your device is shielded from vibrations and other external factors that can damage it. The main feature of the case is that it allows the user to use touch while the arm is a very sturdy manufacturer ensuring longevity.