It can disinfect the air by removing smoke, dust, and PM2.5 pollutants, benzene, and formaldehyde, as well as killing harmful bacteria and viruses to make the air healthier to breathe. Improve the air quality in your car, at home, or in the office with this hard-working air purifier. The device can be operated through a USB cable. Add your organizational or business logo or emblem to this device to create a valuable branded promotion that will really clear the air between you and your customers and supporters.