High definition 10mm neodymium drivers are optimized to produce pounding bass and crisp highs. Durable aluminum housing delivers high performance in a lightweight package—only ½ oz. Interchangeable silicone ear plugs ensure a perfect and comfortable fit. Asymmetrical cabling system keeps cords out of the way during wear. Gold-plated 3.5mm stereo mini plug works with most iPod®, MP3 and CD players. Includes extra silicone ear plugs and carry pouch.