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 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