Sennheiser CX 300-II Portable Stereo In-Ear Headphones (Precision Black) provide clear/ natural audio in a compact and lightweight design. The headphones offer a powerful/ bass-driven sound that's optimized for portable media players such as MP3 players/ CD players/ and come with 3 different sizes of soft silicon eartips/ allowing you to find the best fit for comfort and noise isolation. The asymmetrical cable provides excellent comfort and reduces snags and tangles. A carrying pouch is included for convenient storage. Standard 3.5mm stereo mini plug for wide compatibility<br />