Powerful noise cancelling headphones: 11 levels of active noise cancelling let you enjoy music, podcasts, videos & calls without distractions Astonishing sound: Crisp, clear details. Deep, full bass. These wireless headphones produce exciting, lifelike sound that’s full and balanced at every volume level. Unrivaled voice pickup: A revolutionary microphone system adapts to noisy and windy environments so your voice always sounds crystal clear on calls Keep your head up and hands free: With easy access to voice assistants like Alexa and Google Assistant for music, navigation, weather, and more, and intuitive touch control on the earcups — you can stay connected without reaching for your phone Premium design and comfort: With a lightweight stainless steel headband and earcups tilted for the perfect fit, you can comfortably wear these bluetooth headphones for hours. Up to 20 hours of non-stop music: Get up to 20 hours of wireless battery life on a single charge One touch to listen to Spotify: Instantly listen to your last Spotify session or discover new music by tapping and holding the right earcup. (Currently only available when using iOS devices with your headphones) Pair with Bose soundbar: Use Bose SimpleSync technology to pair these wireless bluetooth headphones to the Bose smart soundbar 300, 500 or 700 for a personal listening experience. Alexa to Alexa calling: Use these wireless noise cancelling headphones to place a call to a Bose smart device or the Amazon Echo device with the Alexa mobile app.