Bose QuietComfort Ultra Wireless Noise Cancelling Headphones with Spatial Audio, Over-the-Ear Headphones with Mic, Up to 24 Hours of Battery Life, Black LEVELED-UP LISTENING: Bose QuietComfort Ultra Headphones with spatial audio give you an immersive experience that makes music feel more real; Custom Tune technology offeres personalized sound, shaped to you WORLD-CLASS NOISE CANCELLATION: These noise cancelling headphones feature Quiet Mode, Aware Mode and Immersion Mode, which combines full noise cancellation and Bose Immersive Audio NEVER BEEN OPENED. NEW. IN BOX SEALED.