Description of H2O Audio Waterproof Headphones Waterproof headphones for the H2O Audio Series Features: Submersible up to 10ft/3m (when paired with H2O Audio Series Housings) Waterproof speakers designed for complete submersion Durable neckwrap keeps headphones in place during active watersports Adjustable design for individual comfort Coiled cable eliminates tangles Silicone earplugs included Compatible with standard 3.5mm audio jacks *H2O Audio Headphones are NOT compatible with the SV Series housings