Adopt anion technology: Purify the air and remove substances including dust and odors. Help prevent air-conditioning related discomfort: anions may support metabolism, maintain fresh air, and relieve fatigue. High-quality battery charger is a convenient accessory for digital devices. Produce active oxygen molecules: Anions may release negative electric charges from oxygen molecules, making them more active. This allows the lungs to absorb more oxygen and expel more carbon dioxide. Broad spectrum and efficient ozone: Ozone may eliminate germs and will be reduced to oxygen without secondary pollution, which chemical agents cannot achieve. Automatic timed sterilization: Ozone operates automatically for a set time. After 15 minutes, the sterilization cycle ends and the machine turns off automatically. Protect eyes and refresh: Negative ions help reduce static and radiation, supporting eye comfort. Add fragrance: Fragrance tablets are included to slowly release a pleasant scent. Material: ABS Color: Package Contents: 1 x Car air refresher, 1 x Car Charger, 2 x Mounting screws, 1 x User Manual. Only the above package content is included; other products are not included. Note: Lighting and display differences may cause slight color variation from the image. Measurement allows an error of +/- 1-3cm.