NOISE CANCELLING HEADPHONES: Effortlessly combines noise cancellation technology with passive features so you can shut off the outside world, quiet distractions, and take music beyond the beat BOSE APP: Download the Bose app to receive the latest software updates. Ensure optimal functionality and get access to all the latest features and cutting-edge tech. WIRED HEADPHONES OPTION: Plug the included audio cable with in-line microphone into your Bose noise cancelling headphones to use them without