Legendary Noise Cancellation High-Fidelity Audio Up to 24 hours of battery life All-Day Comfort Adjustable EQ. QuietComfort Headphones Take charge of your music and stride along to the beat. High-fidelity audio and legendary noise cancellation work their magic by sealing you in, eliminating distractions, and letting you dive deep into your own rhythm. Toggle between Quiet and Aware Modes, or create a Custom Mode and adjust outside sound to the moment. The design is iconic and the comfort lasting, while an optional audio cable with an in-line microphone plugs you into sound as bold as you, even without a Bluetooth® connection. Custom Modes Adjust your noise cancellation as you see fit, add Wind Block to tune out breezy environments, and revisit your custom noise cancelling setting at any time. Take over the tempo Customizable legendary noise cancelling, comfortable fit, adjustable EQ, and striking colors — all in one pair of iconic headphones. Go beyond the beat with sound that puts you on top of the world. Iconic, comfy design. Plush ear cup cushions softly hug your ears, while a comfortable yet secure band works to keep the headphones comfortable and in place. Own the beat. Drop the bass. Adjustable EQ allows you to crank the bass, tweak the treble, and balance the mid-range to get the sound that best suits you.