Panasonic In-Ear Lightweight Water-Resistant Active Sport Stereo Headphones (Green) Noise-Isolating - In-ear pieces create a snug fit that also blocks out environmental noise Neodymium Drivers - Large 9mm 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 Gold-Plated 3.5mm Plug - The cable provides plenty of slack and has a slim gold-plated 3.5mm plug that provides compatibility with a variety of MP3 players, CD players, smartphones, laptops, and more