DESIRABLE COVERAGE: Air Purifier Coverage up to 100 Square Feet. DESIRABLE COVERAGE: Air Purifier Coverage up to 100 Square Feet. Large Filtration components allow for a mor thorough and well rounded purifying process throughout your room. Pursonic Air Purifier Technology Uses True Hepa To Clean out Smoke, Pollen, Dander, Hair, Smell. no need to worry about any air quality problems anymore, just turn on the product and enjoy a healthy life. Portable , Take it Anywhere , Just A usb plug in away. Perfect for Living room, bedroom, bathroom, office, car and more!!!