Car Anion USB Air PurifierPower Mode: USBRated frequency: 50 (HZ)Use the environment: carLighting method: buttonApplication area: 11-20Filter type: composite filterProduct use: Purify the air, improve the air, and effectively remove harmful substances such as PMBO, odor, formaldehyde, PM2.5, etc.Functions:1. Multi-layer filtered air is no longer dry, effectively removing harmful substances such as PMBO, peculiar smell, formaldehyde, PM2.5 and so on.2. Purification of negative ions. Negative ions work together with high-speed fans to eliminate harmful substances such as bacteria through smooth air channels and large air volume, ensuring a healthy journey.3. The operation is simple, you can learn it at a glance, click the button function key, the host will start to work, the default is first gear, the blue light is on; click again to shift to second gear and the green light will come on. The host stops working after three clicks.4. Small and portable, painting process, silky to touch, weight only 230G5. Innovative technology, deep deodorization without dead spots, large air absorption and filtration, removal of all kinds of airborne contaminants, just a few minutes to refresh the air.6. The car& 39;s circulatory system is dirty and it is difficult to clean the ventilation. Pollutants such as PM2.5, smoke and formaldehyde cannot be removed once it has entered the car& 39;s internal circulation. It is difficult to clean when opening windows for ventilation.7. The built-in battery has high durability and long-lasting cleaning. The battery capacity is 2000mAh and can be used for up to 10 hours when fully charged.8. Efficient fan mixes the air and the large volume of air cleans faster9. new purification to remove formaldehyde and fresh breath, using high quality filter element, suitable for use in vehicles, homes and offices