Dyson has announced a wearable air purifier with noise cancelling headphones built in. Company says the device is moved from being something with a snork hole like mouthpiece and a back pack to a gadget, unveiled to day. Release aimed before the end of this year. Dyson said they start having internal conversations in 26 teen about developing some kind of purification on the move technology based on its existing air purification technology. But during initial trials in t magcity of bajing, the company struck upon the idea of integrating noise concelling.