Become immersed in a world of unparalleled audio excellence with the Bose QuietComfort Ultra Wireless Noise Cancelling Over-Ear Headphones. These headphones elevate your music experience to new heights, featuring world-class noise cancellation that surpasses previous models. The groundbreaking spatialized audio technology, Bose Immersive Audio, transforms your listening by projecting sound in front of you, creating a natural and immersive experience regardless of the content or source.CustomTune technology further enhances your audio experience by analyzing the unique shape of your ears and tailoring the sound performance to ensure every note hits perfectly. Enjoy up to 24 hours of uninterrupted listening pleasure, or up to 18 hours with Immersive Audio, thanks to the long-lasting battery life. A quick 15-minute charge provides up to 2.5 hours of playtime, or up to 2 hours with Immersive Audio, ensuring you never miss a beat.