360 degrees purify air: Air flows through the base and exits from the top, generating a high concentration of negative ions to refresh the air inside the car. 3-layer filter: Features a pre-filter screen, HEPA filter, and activated carbon filter that efficiently capture PM2.5, TVOC, formaldehyde, and odors. Colorful LED light: Includes a press switch to turn on the purifier; a soft, color-changing LED light gradually shifts hues, adding ambient lighting to your vehicle. USB power supply: Plug and play design with low DC 5V input voltage for safe and reliable operation. Can be powered by car charger, PC, laptop, power bank, or USB hub. Compatibility: Built-in USB port allows charging of various mobile devices such as smartphones, tablets, MP3 players, and MP4 players. Design: Cylindrical shape with a sleek, compact design. Lightweight and small footprint fits most car cup holders. Size: 7.5 x 16.5 cm Material: ABS Color: As shown Package Contents: 1 x Air Purifier Note: Light and display differences may cause slight variations in color between the product and the image. Measurement may vary by +/- 1-3 cm.