Be immersed in a world of unparalleled audio with the Bose QuietComfort Ultra Wireless Noise Cancelling Earbuds. These cutting-edge earbuds offer breakthrough spatialized audio, delivering an immersive listening experience that makes your music feel more real than ever, regardless of the content or source. With Bose Immersive Audio, sound is spatialized to move from inside your head to in front of you, creating a natural and lifelike listening experience.The innovative CustomTune technology personalizes your audio experience by analyzing the unique shape of your ears, adapting both the sound and the world-class noise cancellation to ensure optimal performance. This means you can enjoy your favorite tracks with clarity and precision, as if hearing them for the first time.Designed for ultimate comfort, the Bose QuietComfort Ultra Earbuds come with the Bose Fit Kit, featuring nine combinations of soft silicone eartips and stability bands.