Sennheiser CX 400-S Lightweight In-Ear Stereo Headphone (Silver) (Discontinued by Manufacturer) Ideal for use with all MP3, CD, DVD players and portable gaming systems High-performance dynamic speaker systems for powerful,bass-driven stereo sound Perfect fit in the ear canal due to ear adapters (S, M and L) included Extremely small and lightweight Includes cable clip, extension cable, and carrying pouch for convenient handling and storage