Supershop 8GB Swimming Diving Water Waterproof MP3 Player FM Radio Earphone Blue This item is a waterproof MP3 player & FM Radio designed for swimming, diving and other underwater sports. High durability aluminum casing with anti-scratch. USB rechargeable battery, it can work for 8 hours when fully charged. Stylish Design With fluorescent holder to Strap onto swimmer goggles Perfect for sports like swimming, diving,climbing.