NOISE CANCELLING HEADPHONES: Effortlessly combines noise cancellation technology with passive features so you can shut off the outside world, quiet distractions, and take music beyond the beat COMFORTABLE HEADPHONES: 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 WIRED HEADPHONES OPTION: 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 MULTIPOINT BLUETOOTH HEADPHONES: 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.