This case fits large GPS, walkie-talkies and any phone up to iPhone 6 Plus size Features:As tested and used by professional windsurfers and kite-surfers all over the world.It comes with a strong armband, adjustable to fit you whatever size your arm and a lanyard too in case you prefer to hang it round your neck.You ll be able to talk and hear through it without a problem and if your device has a touch screen it will work normally.It will leave you free to get on with your stand-up paddling, kite-surfing, or any other activity you want to immerse yourself in.