Complete with high-performance dynamic driver systems for powerful, bass-driven stereo sound They feature a short cable, ideal for use with all MP3, CD, DVD players and portable gaming systems. The black Sennheiser CX 4 are high quality, noise-isolating ear-canal-headphones with a powerful, bass-driven stereo sound for listening on the go.

Avoid using headphones with the volume turned up for an extended period of time. Doing so can damage your hearing. It is advisable to keep the volume at a moderate level at all times. For your own safety, please do not use when driving or cycling.