TLILY Mini Portable Air Purifiers,Air Quality Indicator and Negative Ion Function for Home Car Bedroom Office Air Purifier

[Capture 99.97% of Air Particles] Advanced purification technology can capture 99.97% of air particles and remove smoke, odors and pollutants from the car or interior with true 4-stage H13 filtration. [Negative Oxygen Ions] According to research, negative oxygen ions can not only effectively remove and neutralize harmful gases such as methanol, formaldehyde and carbon monoxide in the air, but also increase the body's function and immunity. At the same time, the device continues to absorb impurities and harmful substances in the air through the principle of air circulation, providing you with a fresh and healthy environment. [Low noise] The air purifier is about 10 decibels at work, so it will not cause noise problems regardless of sleeping, driving, working, etc. [Easy to use and carry] The size of the device is about the same as the cup, so you can take it with you in your . At the same time, the working conditions are very simple, such as car charger, computer, mobile power supply