Noise reduction headphones
Experience the innovative combination of best noise reduction technology and headphone audio performance with QuietComfort 2 Acoustic Noise Cancelling® headphones. Acclaimed headphones help reduce unwanted noise, and advances in Bose® technology make what you want to hear sound even better. Ergonomically designed for a comfortable fit. Fold-flat feature makes storage in the slim carrying case even easier.
Source: bose.comAdded: 17 October 2006