Automatically senses, captures, and traps pollutants for cleaner air. Detects and destroys formaldehyde. Purifies and cools the whole room. Control and monitor your air quality from anywhere using the Dyson Link app. Control it hands-free with compatible voice services. Works with Amazon Alexa, Apple Siri, and Google Home. For lighter sleepers. Monitors and purifies using the quietest settings, along with a dimmed display.