VanGoddy Zippered Sport Case Cover Gym Running Armband with Removable Strap & Card/Key Holder for HTC 10/One A9s/Desire 830 825 Fit 4.7 to 5.5 Inch IOS Android Windows Smart Phone (Blue) New!Constructed with durable nylon and neoprene. Dual zippered system ensures phone never falls out,and Rubber stripping inside prevents phone from sliding around. Headphone cord slot on bottom of armband lets you listen to music while keeping your phone secure.And touch fastener flap perfect for wrapping excess headphone cord around. Inside pocket perfect for holding cards, keys, money etc. Adjustable touch fastener strap fits nearly every sized arm.