LEGENDARY NOISE CANCELLATION: Effortlessly combines noise cancelling headphones technology with passive features so you can shut off the outside world, quiet distractions, and take music beyond the beat PREMIUM COMFORT: Plush earcup cushions softly hug your ears, while a secure and comfortable padded band gently keeps your over ear headphones in place for those extra-long listening sessions 2 LISTENING MODES: These wireless Bluetooth headphones feature Quiet and Aware Modes that let you toggle between full noise cancelling or full awareness of your surroundings for seamless sound control HIGH-FIDELITY AUDIO/EQ CONTROL: Supercharge your favorite tracks with high-fidelity audio and Adjustable EQ that puts you in control of the bass, mid-range, and treble for unmatched bold sound ALL DAY BATTERY LIFE: Bose QuietComfort wireless headphones provide up to 24 hours of battery on a single charge, plus a 15-minute charge gives you up to 2.5 hours of additional play time MICROPHONE CORD INCLUDED: Plug the included audio cable with in-line microphone into your Bose noise cancelling headphones to use them without a Bluetooth connection, or even when the battery is depleted STAYS CONNECTED TO YOUR DEVICES: Seamlessly stay connected to all your favorite devices using the multi-point toggle feature which allows you to switch devices without disconnecting and reconnecting each time BOSE APP: Download the Bose app to receive the latest software updates. Ensure optimal functionality and get access to all the latest features and cutting-edge tech