QuietComfort 35 wireless headphones II are engineered with renowned noise cancellation that makes quiet sound quieter and your music sound better. With the Google Assistant and Amazon Alexa built in, you have instant access to millions of songs, playlists, and more — hands free. Simply choose your voice assistant and ask away. And that's just the beginning. QuietComfort 35 wireless headphones II are now enabled with Bose AR, a first-of-its-kind audio augmented reality platform.