Generic Water Sport Waterproof In-Ear Earbud Stereo Headphones For iPod/iPhone/MP3 Player Loud sound and clear tone quality 3-layer earplug design for best waterproof effect 100% Brand New 3.5mm Plug Waterproof In-ear Earphone Suitable for all 3.5 mm interface MP3, MP4, iPhone, smart phone and notebook computer etc