These are Dyson's premier Zone Absolute Noise Cancelling Headphones with Personal Air Purification. These are top-of-the-line headsets that are comfortable and stylish. New, only openned to demo. Dyson link to product: https://www.dyson.com/newsroom/dyson-zone The original price of the Dyson Zone air-purifying headphones (including the Ultra Blue/Prussian Blue model) was $949.99 USD upon their release in early 2023.