The wearing of face masks has become commonplace throughout the world due to the arrival of new viruses such as COVID-19 as well as increased particulate matter air pollution in cities. However, existing disposable masks have to be replaced frequently, causing problems of environmental pollution. To solve this problem LG developed a semi-permanent electronic mask that blocks pathogens and pollutants. It comes with a rechargeable sterilization case to ensure that the mask does not become a breeding ground for germs.