…it's a set of noise-canceling, air-purifying headphones. It comes with a detachable visor for the bottom half of the wearer’s face that looks, to put it mildly, odd. That vizor actually blows filtered air to your nose, mouth and chin, sort of like a portable fan dedicated to the lower portion of your face. Dyson integrated a smaller version of its
air filtration system into the earcups, and the idea is that people can protect themselves from pollution while out and about.