Belkin Gym Workout Sports Armband Case with Detachable Pouch fits iPOD NANO 4th Gen (4 / 4G Generation) Belkin Brand Sports Workout Armband with Detachable Pouch. Clear cover protects screen from damage. Features easy-care microfiber and neoprene construction. Ensures easy, hands-free versatility with sports-sleeve, form-fitting design. Removable armband for hands-free use. Offers dual-use option - armband detaches to become a holster. Allows easy access to ports and controls. Armband offers washable (machine-wash cold, hang dry), stain-resistant, neoprene fabric.