Enobu Active Sports Armband + Keyholder for HTC One M8- Black Compatible with HTC One M8. Two sizing options on the adjustable velcro band allows the armband to fit most arms (8"-14"). Constructed of a durable neoprene material that is soft, flexible, and comfortable. Clear touchscreen cover allows full use of your device without having to remove your phone from the armband. Also features a reflective trim around its edges for added precaution during those night workouts. Built in keyholder for your locker key prevents you from ever losing your key again during workouts.