SOLANA BEACH, Calif., Feb. 14, 2018 /PRNewswire/ -- H2O Audio, the world leader in waterproof headphones for swimming and all watersports, today announced the availability of the H2O Audio Surge Custom Waterproof Earphones designed for lap swimmers and water enthusiasts. With over 10 years of development, H2O Audio built and rigorously tested their custom made waterproof earphones for swimmers and SOLANA BEACH, Calif., Feb. 14, 2018 /PRNewswire/ -- H2O Audio, the world leader in waterproof headphones for swimming and all watersports, today announced the availability of the H2O Audio Surge Custom Waterproof Earphones designed for lap swimmers and water enthusiasts. With over 10 years of development, H2O Audio built and rigorously tested their custom made waterproof earphones for swimmers and