True HEPA Filter with 3-Stage Air PurificationOur car air purifier comes with a 3-stage filtration system, pre-filter, true filter and activated carbon filter. Remove 99.97% of dust, pollen, pet dander, smoke, etc. from your personal air. Replaceable filters.Plug and Play DesignThe portable air purifier has no on/off switch, so it will naturally follow your vehicle---very convenient, you don't need to turn the power on/off frequently. The USB plug can connect your car charger, power bank, computer or laptop.Small Size, Powerful FunctionThe mini air purifier is as small as a mobile phone, with a size of 2.73 x 2.73 x 4.26 inches and weighs only 7.2 ounces. Hidden design, does not take up space. Perfect for placing in your car. Our personal air purifier will purify your personal space, such as cars and small areas of desks. Its powerful airflow can cover an area of 107 square feet/10 square meters and purify the air in 10 minutes.Ultra-quiet built-in aromatic cottonThe car air purifier runs at less than 55dB noise, making you feel comfortable while driving and sleeping. Drop a few drops of essential oil on the filter of the car air freshener to create a soothing or rejuvenating aroma for your car.Carbon Fiber ShellThe air filter of the carbon fiber shell combines high-end materials and advanced technology. The mini desktop air purifier not only has excellent air purification effect, but also pays attention to user experience and visual beauty. At the same time, as a travel air purifier, it can better complete the personal air purifier.