Equipped with pre-filter, HEPA filter, an activated carbon filter, easy to capture up dust, smoke, odor, pet dander and cooking around your living space and zero Ozone emission. Air purifiers for home circulate air quickly in a room up to 161 square feet to fill your room with clean and fresh air. The noise is less than 25 dB. USB interface is adopted to charge quickly and carry conveniently. Seven kinds of color lamp design make the night in the car more shining. Suitable for Car and office.