Bose Noise cancelling headphones 700 have redefined what wireless headphones can do. Keep your head up to the world with easy access to voice assistants — perfect for music, navigation, weather, and more. Confidently take calls or speak to Alexa anywhere. An unrivaled four microphone system picks up and isolates your voice while cancelling the noise around you. With these smart headphones, Bose has even improved on what it’s most known for Eleven levels of noise cancellation, let you truly personalize your environment. Set it low to let more of the world In, somewhere in the middle, or turn it all the way up to block out the noisy world around you.