Get Upto $50 Discount On Bose Quiet Comfort At Bestbuy.com. Shut out the world and lose yourself in the music or let the world in. Its the choice with the first in-ear noise cancelling headphones from Bose. The Quiet Comfort 20 Acoustic Noise Cancelling headphones let one enjoy better sound every day, everywhere one go. Turn on noise cancelling to reduce surrounding distractions and focus on the music. Or, at the touch of a button, activate Aware mode to hear whats happening around one. StayHear + tips provide a soft, secure fit. The inline microphone and remote let one switch easily to calls on the Apple iPhone.