JVC Stereo In-Ear Lightweight Water-Resistant Active Sport Headphones (Blue) Neodymium Drivers - Large 13.5mm neodymium drivers provide crisp, natural audio with a wide frequency response Sweat and Water Resistant - Sweat and water resistant, ideal for sports and workouts Enhanced Bass - The angled housings provide an acoustically-tight seal for excellent sound isolation, deep bass, and a stable fit Standard 3.5mm Plug - The standard 3.5mm stereo mini plug provides compatibility with MP3 players, CD players, computers, and more Noise-Isolating - In-ear pieces create a snug fit that also blocks out environmental noise