Bose - Quietcomfort 45 headphones - noise cancelling

Bose - Quietcomfort 45 headphones - noise cancelling

Bose quiet Noise Cancelling
The pair that started it all.
Acoustic Noise Cancelling began with the original QuietComfort headphones from Bose. Tiny mics hidden in the earcups measure, compare, and react to outside noise, then cancel it with the opposite signal. Choose from Quiet Mode for full noise cancelling, or Aware Mode to let your environment in.