QuietComfort Ultra Earphones by Bose The Bose Fit Kit Three sets of small, medium, and large ear tips Three stability band pairs (1, 2, 3) Case for charging (12") USB-C® (A to C) cable A safety sheet Headphones for spatial audio It's as if you're listening without earbuds because what you hear is positioned directly in front of you. Top-notch noise cancellation To help you concentrate, Quiet Mode activates complete noise cancellation. It seems as though you are not wearing headphones at all when you are in Aware Mode. Everything is customized for you. To customize the sound and noise cancellation, CustomTune tech examines your ears, adjusts to their shape, and makes automatic adjustments. Stability and comfort for all ears Nine different eartip and stability band combinations (which are now even simpler to switch out) guarantee the most comfortable and