Do not be fooled by cheap imitations. They won't last beyond your first lap. Since 1996 our engineers have invested years of R&D on improving Waterproof Audio Technologies (WAT), optimizing in-the-water audio reception, tuning and controls. Make sure that your waterproof audio gear is one of our trademarked brands: UwaterG2, UwaterG4, UwaterG4X, UwaterK7, UwaterK8, UwaterT3, from Fitness Technologies Inc.
Available here and from authorized dealers world wide.