Sennheiser CX 500 In-Ear Headphone (Discontinued by Manufacturer) Wide frequency response for top-of-the-line sound Convenient in-line volume adjuster, 2-Year Limited Warranty Integrated 3.3 feet Headphones cable. Includes pouch, cable clip and cord winder Superior fit in the ear canal due to enhanced ear adapters in S, M and L sizes Ideal for use with all MP3, CD, DVD players and portable gaming systems