Enobu Active Sports Armband + Keyholder for Samsung Galaxy S5 / S4 / S3 - Black Products without our Enobu logo are conterfeit products. Please make sure you are purchasing from seller "MALL DREAMS" to guarantee Enobu authenticity. Compatible with Samsung Galaxy S5, S4, & S3. 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 runs. Built in keyholder for your locker key prevents you from ever losing your key again during workouts.