Tune out the noise and tune in your music. Our compact noise cancelling headphones eliminate up to 85% of outside noise. Using built-in microphones and advanced circuitry, Headphones create an acoustical mirror image of outside noises effectively cancelling them out. The result You hear music and movies with greater clarity and detail. Order yours today. Once you try our noise cancelling headphones, you won t want to work without them. You probably don t realize just how noisy your surroundings are. HVAC system, traffic, crowds. Slip on a pair of Noise Cancelling Headphones and you ll be amazed at how much easier it is to relax, concentrate and focus properly on your work. Notice details in music and movies that you ve never heard before. By actively cancelling outside noise, headphones let you hear subtle nuances and details in your music or movie soundtracks that you may never have noticed. These headphones feature compact, lightweight, padded earcups. Volume and mute controls for use with laptop or MP3 player are located in the control box. Headphones fold and store into a slim travel case (included). Also includes dual-pin airplane adapter and a T-splitter for sharing. Uses 1 AAA battery (not included) for up to 100 hours of active noise reduction. So cancel out the noise and upgrade your audio. Order a pair of Compact Noise Cancelling Headphones from Brookstone today.