Sennheiser CX 400-B - Headphones ( in-ear ear-bud ) - black Ideal for use with all MP3, CD, DVD players and portable gaming systems Exceptional noise attenuation * High-performance dynamic speaker systems for powerful, bass-driven stereo sound Excellent passive attenuation of ambient noise * Outstanding wearing comfort on the go Perfect fit in the ear canal due to ear adapters in different sizes (included in the delivery) * Extremely small and lightweight Perfect for use with remote control due to a short cable * Includes cable clip, extension cable, cable winder, and carrying pouch