... mellow sound carry 100% Water proof Swimmer MP3 Player * 100% Waterproof mp3 player with Truecolor screen* Aluminum shell* OLED monochrome truecolor 128 ... response: 30 Hz to 20 K Hz Feature:Waterproof MP3 player & earphone designed for swimming, spa, and water sports.High durability ... , English manual, USB cable, wiping rag, waterproof earphones. Swimmer MP3 Player