Product specification: 1.Fashion, colorful, best choice for gift 2.Touch button design, simple and convenient 3.Air quality sensor to real-time monitoring a variety of harmful gases 4.Colorful led lighting can be set at your pleasure 5.Ultra quiet, dc supply & brushless motor 6.Efficient negative oxygen ion generator to remove dust & sterilize, clean air 7.Activated carbon strainer can super absorb harmful gases 8.Home decorative embellishment, night light function 9.The best color alerts and purification partner for harmful gas in the car 10.Shield of polluted air in the office 11.Fashion, colorful, best choice for gift 12.Touch button design, simple and convenient 13.Air quality sensor to real-time monitoring a variety of harmful gases 14.Colorful led lighting can be set at your pleasure 15.Ultra quiet, dc supply & brushless motor 16.Efficient negative oxygen ion generator to remove dust & sterilize, clean air 17.Activated carbon strainer can super absorb harmful gases 18.Home decorative embellishment, night light function 19.The best color alerts and purification partner for harmful gas in the car 20.Shield of polluted air in the office