Intelligent automatic spray for long-lasting freshness: Utilizing intelligent sensing technology, the device automatically sprays intermittently, evenly distributing the fragrance, leaving your car's interior with a fresh, elegant fragrance, eliminating odor annoyances. Aluminum alloy construction for high-end durability: A premium aluminum alloy housing offers a luxurious finish with refined craftsmanship, making it wear-resistant and scratch-resistant. It blends seamlessly into your car's interior, enhancing your overall sense of luxury. Adapts to air vents, saving space: Designed specifically for car air vents, it snaps on with one click, ensuring it doesn't obstruct the driver's view, cleverly utilizing space while also leveraging wind to accelerate fragrance diffusion. Interchangeable aromatherapy pads for customization: You can customize your car's interior by changing the aromatherapy pads to suit your needs. Quiet and low-power consumption for safety: Low-noise operation ensures a pleasant driving experience. USB charging or battery power ensures energy conservation and environmental protection, eliminating the risk of leakage, ensuring a safer driving experience. Package: 1 black device + 3 bottles of essential oil