1. Product name: Car air purifier 2. Model: A4 3. Working power: 1.5W 4. Power supply method: Type - c 5. Working voltage: 5V 6. Working principle: Negative ion 7. Negative ion solubility: 1 8. Usage environment: Car 9. Applicable vehicle model: None 10. Applicable area: Less than 5 square meters 11. Functions: Air purification, smoke removal, dust removal 12. Dimensions: 88 x 32 x 35 mm 13. Material: ABS 14. Color: White 15. Package contents: - 1 car air purifier - 1 charging cable - 1 English - Chinese instruction manual 16. Only the above package contents are included, and no other products are included. 17. Note: Light reflection and different monitors may cause slight differences between the color of the item and the actual product. A measurement error of +/- 1 - 3 cm is allowed. 18. Fresh air: The car air purifier releases more than 1 negative ion, expelling pollutants from your private space and eliminating most smoke, odors, and even PM2.5 air pollutants, thus effectively purifying the air and improving your mood. 19. Active purification, in - depth ventilation and filtration. The air duct with an air outlet can adsorb suspended particles. 20. No noise: It uses a silent fan, running quietly without generating noise during driving. 21. Easy to use: It is simple to operate, plug - and - play. Just open the air outlet and let the air flow out to start using and enjoy fresh air. 22. Functions: In addition to removing smoke, dust and purifying the air, it is suitable for any vehicle model.