Features: Wide ranges of uses: This air purifier tool can be used in cars, closets, refrigerators, toilets, cars, etc., and has a wide ranges of uses. Double click the button to show that the breathing light enters the power saving mode, the wind speed slows down, the O3 and the fan work at the same time to produce O3 and negative ions, which lasts for 5 minutes, then pauses for 2 hours, and then works for 5 minutes Built-in high-capacity lithium battery, working hours can meet your daily use needs, and can be quickly recharged in time when there is no electricity. One press the button: Shut down status click the button, O3 and fan work at the same time, generate O3 and negative ions, work continuously for 20 minutes, then shut down automatically 360 full deodorization and sterilization, no dead ends, better air cleaning effect, giving you a better using experience.