SENNHEISER CX300B 3.5mm Connector Canal Headphone

Powerful, bass-driven stereo sound
Perfect fit in the ear canal due to ear adapters in different sizes (included in the delivery)
Excellent attenuation of ambient noise
Extremely small and lightweight
Ideal for use with all MP3, CD, DVD, MD players and portable game systems with 3.5 mm headphone sockets
Asymmetrical cable