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