Intelligent automatic spray for long-lasting freshness: Utilizing intelligent sensing technology, the device automatically sprays intermittently, evenly distributing the fragrance to keep your car's interior fresh and pleasant while helping to eliminate odors. Aluminum alloy construction for durable design: A high-quality aluminum alloy housing provides a sleek finish with refined craftsmanship, offering resistance to wear and scratches. It complements your car's interior while enhancing overall aesthetics. Designed for air vents to save space: Specifically engineered to fit car air vents, it installs with a simple click, avoiding obstruction of the driver’s view. It efficiently uses available space and utilizes airflow to enhance fragrance diffusion. Interchangeable aromatherapy pads for personalized scent: Customize the fragrance inside your vehicle by replacing the aromatherapy pads according to your preference. Quiet operation with low power consumption: Operates quietly to support a comfortable driving environment. Powered via USB or battery, it ensures energy efficiency and safe usage without leakage risks. Package includes: 1 black device 3 essential oil bottles