Andoer 4GB Swimming Diving Water Waterproof MP3 Player FM Radio Earphone Pink This item is a waterproof MP3 player FM Radio designed for swimming diving,other underwater sports High durability aluminum casing with anti-scratch. Stylish design with fluorescent holder to strap onto swimmer goggles. USB rechargeable battery, it can work for 8 hours when fully charged Compliant with international IP*8 water resistance standard.