Bose Noise Cancelling Headphones 700 deliver everything you expect – and things you never imagined possible – including an unrivaled four-microphone system, world-class sound management, and innovative audio-only augmented reality. Features: Easy access to voice control assistants, Unrivaled adaptive 4-microphone system, 11 levels of noise cancelling, Bose AR enabled, Active EQ for immersive sound at any volume, The Google Assistant and Amazon Alexa built in, Innovative, streamlined design, Intuitive controls to keep you connected, Personalize with custom controls, App controls Bose smart speakers and soundbars, Future software updates, Up to 20 hours of battery life, Comfortable for all-day listening, Convenient, protective hard case.