Enjoy the soft music and clean environment with WBM Smart Bluetooth speaker air purifier.3-stages Filtration System with True HEPA filter captures 99% of odors, smoke, pet dander, mold, dust, allergens, pollen, and PM 2.5, filtering particles as small as 0.3 microns to get healthy breathing by air purifier allergen eliminator, smoke grabber and odor remover.