Three levels of world-class noise cancellation for better listening experience in any environment Alexa-enabled for voice access to music, information, and more Noise-rejecting dual-microphone system for clear sound and voice pick-up Balanced audio performance at any volume Hassle-free Bluetooth pairing, personalized settings, access to future updates, and more through the Bose Connect app When noise gets too loud,sounds get choppy,Bluetooth not staying connected - Please forget the device and reinstall.