0 small air purifier (including egg o wall piggy bank): this is a flying saucer-style small desktop air purifier, which can be placed on the desktop or hung on the wall. the built-in battery and easy to carry can ensure the use environment outdoors or in the car. the exterior panel can display information such as air quality, time and weather temperature, etc. the intelligent data can improve your quality of life. 0 rescue from the pure Planet: This is a small UFO style desktop air purifier, which can be placed on the desktop or hung on the wall. The built-in battery and easy to carry can ensure the outdoor or in car use environment. The external panel can display air quality, time, weather temperature and other information, and the intelligent data can improve your quality of life.