Engineered with world-class noise cancellation that makes quiet sound quieter and music sound better. So you can just listen, with nothing in the way. Bluetooth® and NFC pairing with voice prompts make for hassle-free wireless connections. Action button lets you adjust your levels of noise cancellation between three settings. Access your phone’s default virtual assistant, like Siri or your Google Assistant. Includes audio cable for music listening without battery power. Lithium-ion battery lets you enjoy up to 20 hours of wireless listening per charge.