Sennheiser CX 300 II Precision Noise Isolating In-Ear Headphone (Black)

Offering a powerful, bass-driven stereo sound with greater clarity and improved dynamics over standard earbuds are the Sennheiser CX 300-II in-ear headphones. The various sizes of ear adapters (S,M,L sizes) provided in the package allow for a customized fit as well as exceptional noise blocking capability. A convenient carrying pouch is also included for easy storage.