The flat design of portable electrostatic precipitator air purifier which can easily put in bag and carry everywhere. It provide you novel air purifying experience for your personal space. The air purifier working quietly and battery last four to six hours that you can use in car, office or coffee shop. With the app in your smartphone, you can monitor the air and the product can intelligence analysis the air data and clean the air more precise. The portable electrostatic precipitator air purifier is environmental friendly, no filter parts need to be replaced. Just wipe the cleaner part of air purifier can keep it work perfectly. The air purifier can effectively clean the air which can clean 99% of PM2.5 of one stere air in one hour.