QuietComfort® 35 wireless noise cancelling headphones II are engineered with world-class noise cancellation. And now they're even better. With your Google Assistant and Amazon Alexa built-in, you can control music, send and receive texts, and get answers using just your voice. Be free from wires by connecting to your devices with Bluetooth® and NFC pairing, and enjoy up to 20 hours of wireless listening per charge. And they feature Bose AR, a first-of-its-kind audio augmented reality platform.