The Best Noise Reduction On Ear Headphones.

In tests by the Hammacher Schlemmer Institute these headphones proved best for sound quality, noise cancellation, ease of use, and comfort. Used by travelers to reduce aircraft engine noise, and by others preferring tranquility in their work, these Bose® headphones are renowned for their full-spectrum noise reduction and comfortable fit. Microphones inside the earcups identify unwanted sound and a correction signal prevents the noise from reaching the speakers, ensuring external noise reduction. In addition to in-flight noise, the headphones diminish office distractions, commuter train clatter, and other constant low-frequency sounds without compromising audio quality, allowing you to hear details and nuances of recordings. On-Ear Model. The Bose QuietComfort® 3 Acoustic Noise Cancelling® headphones have a slim, smaller design that rests directly on the ear, instead of surrounding it, and have soft memory foam to provide a gentle cushion against the ear. Uses a rechargeable lithium-ion battery that runs for 20 hours on a full charge. Folds flat for convenient storage and travel. Includes AC battery recharger, dual-plug adapter, 5' extension cord, and travel case. 7 3/8" H x 5 1/4 " W. (5 2/3 oz.) Available for delivery only in the United States.