1. The air purifier has multi-layer filtration, which quickly kills all kinds of respiratory tract infection viruses, removes all kinds of odor, effectively filters PM2.5 particles, adsorbs above 99% of the formaldehyde, benzene and other harmful gases, and creates a comprehensive and healthy vehicle environment.  
2. Six functions: smart touch control, negative ion function, oxygen sterilization, air purification, strong deodorization, reduce haze quickly.  
3. Easy to operate.  
4. Power supply: Cigarette lighter / USB
5. Voltage: DC 5V
6. Maximum power: 2W
7. Filter replacement prompt: The environment indicator flashes continuously, indicating that the filter must be replaced.
8. Filter reset: After the filter is replaced, press and hold the switch for 12 seconds to reset the filter until the machine starts up again and the filter reset is completed.