iPhone 5 5S 5C SE 4S 4 Running Armband, Lycra, Sweatproof Layer, Reflective Strip Adjustable Neoprene Sports Gym Case with Key Holder Slot (As Seen in Runners World Mag. - 5 Stars) WIDE COMPATIBILITY  Our Plus-size universal sports armband is designed to be compatible with all mobile devices with screen sizes of 5.5  6.3 Including the Samsung S8+ S7 Edge & J7 Prime. HANDY STORAGE - Built in Key holder and earphone cable tidy ensure a streamlined workout, while the rear pocket helps keep small essentials like your gym/credit cards or cash safe and out of the way. FULLY ADJUSTABLE - Two regulating slots and Velcro fastening enable a fully customisable fit and the extra long strap means there's no need to attach fiddly extenders. Will accommodate both slender and more muscular arm types, ranging from 9" to 17". FUNCTIONAL - An ultra-thin PVC transparent screen ensures incredible visibility and sensitivity, allowing full uninterrupted interaction with your touchscreen. Five aux audio cut outs on the rear ensure easy access for your earphones. Available in a range of attractive colours to match any sporting wardrobe. DESIGNED FOR SPORT - Made from hard-wearing Neoprene, our armband is fully sweat-proof and designed for the toughest of workouts. It's both lightweight & soft, yet incredibly durable. A reflective frame enhances safety when exercising in the dark.