H2O Audio Amphibx Waterproof Armband Case with Headphones for iPhone & iPod Touch LatchTight is a locking closure that provides a 100% watertight and secure seal up to 12' (3.6 m) underwater ClearTouch Window enables full operation of touch and click wheel controls | SealTight Connector is compatible with standard 3.5mm headphone plugs Designed to float even with a device inside Dual flex rings hold an adjustable armband that fits almost any arm size Compatible with most large-sized iPods, MP3 players, and phones