Swimmer MP3 Player Waterproof MP3 Player Pass mellow sound carry 100% Water proof Swimmer MP3 Player * 100% Waterproof mp3 player with Truecolor screen* Aluminum ... : 30 Hz to 20 K Hz Feature:Waterproof MP3 player & earphone designed for swimming, spa, and water ... time when fully charged.FM optional.Accessories: lanyard, English manual, USB cable, wiping rag, waterproof earphones. Swimmer MP3 Player