Intelligent Sensing, Automatic Fragrance Dispensing A built-in high-precision sensor intelligently detects the in-car environment and automatically adjusts the frequency and concentration of fragrance release, eliminating the need for manual operation and ensuring a fresh and pleasant air inside. Premium Design, Elegantly Blended with the Interior Featuring matte metal materials and minimalist geometric shapes, paired with hidden LED ambient light, the lightweight luxury style perfectly complements the interiors of any vehicle, enhancing the overall sense of luxury. Multiple Fragrance Modes, One-Touch Switching Supports "Driving Mode," "Sleep Mode," and "Purification Mode," freely switchable via the app or on-body buttons to meet diverse needs such as refreshing, sleep-inducing, and odor removal. Type-C Fast Charging + Ultra-Long Battery Life A built-in high-capacity lithium battery provides 30 days of continuous use (in normal mode) after a full charge in 3 hours. It supports in-car charging and power banks for worry-free travel. Safe and Eco-Friendly, Safe for Mothers and Babies The food-grade silicone sealed reservoir is leak-proof and volatile-resistant. Formulated with natural plant-derived essential oils (free of alcohol and harmful substances), it's safe for sensitive individuals and children. Material: Plastic Dimensions: 10*6.7cm/3.9*2.6in Package: 1 set Smart car aromatherapy