" Wireless over-ear headphones with digital hybrid noise-cancelling technology let you enjoy a private, high-quality sound space Class-leading battery life with up to 90 hours of continuous use on a full charge with ANC off and 60 hours with ANC on Hear-through function allows you to hear ambient sounds (plus your own unmuffled voice) so you can talk to others around you without removing your headphones High-quality, built-in microphone ensures crystal-clear calls as well as easy-touch buttons in the earcup to provide intuitive control of volume, music/video playback, calls, and to give you access to Siri and Google Assistant Includes 1.2 m (3.9\"\") cable with in-line mic and control for optional wired connection"