SumacLife Adjustable Neoprene Workout Armband Case for HTC ONE / ONE X / ONE S (Black) Full screen protector allows full touch screen functionality Provide excellent protection during sport, such as running, biking, jogging, walking, working out etc. Adjustable Touch fastener arm strap. Arm strap dimensions: 11' - 16' in. Keeps device dry while being active with sweat proof feature. SumacLife hardcore workout armband with earphone cord excess