LEGENDARY NOISE CANCELLATION: Effortlessly combines noise cancelling headphone 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 TWO 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 favourite 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 noise cancelling 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 QuietComfort 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 favourite devices using the multi-point toggle feature, which allows you to switch devices without disconnecting and reconnecting each time BLUETOOTH NOISE CANCELLING HEADPHONES WITH MIC: Microphones focus on the sound of your voice and the high fidelity bluetooth headphones with microphone filter out background noise for the clearest phone calls of any Bose headphones 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