Product DescriptionThe Sennheiser CX300-S Earbuds are the ideal ear buds for use with portable MP3, CD, MD, DVD players and many other portable devices with 3.5mm headphone sockets. Soft silicone-rubber ear adapters in three different sizes are included to ensure a perfect fit, high wearing comfort and an excellent attenuation of ambient noise. These ear buds, with their in-ear, sound-isolating design, offer powerful, bass-driven stereo performance. Extremely small and lightweight -- they weigh a bit more than an ounce -- the CX300-S will go wherever you take them. Designed in a stylish silver finish, the ear buds include a 3.5mm L-shaped plug and 21-inch asymmetrical cable. Sennheiser, an acknowledged world leader in headphone-transducer technology, offers a two-year manufacturer"s warranty on the CX300-S.Product DescriptionHigh quality stereo in-ear headphone with powerful bass for listeners "on the move". Ideal for use with MP3, CD, MD, DVD and others.Product DescriptionSennheiser is the acknowledged world leader in headphone-transducer technology. These CX 300 headphones are its first consumer ear-canal model. The CX 300 model is ideal for use with portable MP3, CD, MD, DVD players and many other portable devices with 3.5mm headphone sockets. Soft Silicone-Rubber Ear adapters in three different sizes are included to ensure a perfect fit, high wearing comfort and an excellent attenuation of ambient noise.