Negative Ion Generator USB Air Purifier with HEPA Filter for car house Smell Formaldehyde Removal Electric air freshener HEPA & Activated Carbon Layer: Captures PM2.5 particles and adsorbs formaldehyde, benzene, and odors through high-density filtration 10 Million Negative Ions/cm³: Neutralizes airborne pollutants, reduces static dust, and mimics natural forest-like air freshness. Compact & Stylish: Sleek 360° cylindrical design fits seamlessly in car cup holders or on home desks . USB/DC Power Compatibility: Operates via 5V DC or USB adapter, ideal for both car lighter sockets and home outlets. Quiet Operation: Noise levels ≤41dB in sleep mode, ensuring undisturbed use in confined spaces. Formaldehyde Removal Rate: efficiency with combined HEPA and activated carbon layers. LED Ambient Lighting: led colors enhance aesthetics while indicating operational status. Dual-Use Design for Home & Car,from Car to Living Room: Pure Air, One Compact Powerhouse. Colour:White / black Material:ABS Package Contents: 1 * Electric Air Purifier 1 * USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.