Bose QuietComfort Ultra headphones make everything you can feel in the music even better. This starts with first-class noise cancelling, which suppresses even more noise than the previous models. previous models. The groundbreaking spatial sound ensures that your music feels even more immersive than ever before. Bose Immersive Audio takes what you hear out of your head and puts it it in front of you so you can hear it as naturally as possible - regardless of content or source. source. And CustomTune technology enhances your sound even further by analysing the shape of your ear analysing the shape of your ear and adjusting the audio performance so that everything you hear arrives exactly as it should. Music without end - with a battery life of up to 24 hours (up to 18 hours with Immersive Audio) and unrivalled wearing comfort thanks to particularly high-quality materials. The earcups gently enclose your ears, while the headband distributes the pressure evenly. evenly distributes the pressure. And the slim metal arms ensure an elegant design. Connect with your devices via advanced Bluetooth 5.3 and keep track of your paired devices in the Bose paired devices in the Bose Music app. What's more, set-up is quick and easy, you have access to customisable EQ settings and much more.