1: 【Four-Gear Adjustment】 Smart car air freshener will be different gear eyes will change color, 1 gear test mode 3 seconds spray once, 2 gear fragrant mode 60 seconds spray once, 3 gear light fragrance mode 180 seconds spray once, 4 gear home mode 180 seconds spray once, this gear will not start and stop with the car, the home is suitable for this gear 2：【Vibration Sensing】This MILYMAX car aromatherapy uses vibration sensing technology, which can realize the intelligent function of starting automatic spray with the car, stopping and closing spray with the car 3：【Energy Efficient & Eco-friendly】This product is designed with low power consumption, small power consumption and large capacity, connecting to the car USB port or using the built-in battery for charging, which is both energy-saving and environmentally friendly. It is also made of environmentally friendly materials and has obtained many certifications such as FCC/CA/CNAS to ensure that the product is friendly to both car owners and the environment. 4：【Healthy and Long-Lasting Fragrance】Car air freshener does not contain alcohol, can quickly freshen the air, continuous fragrance, effective in addition to odor, in addition to fragrance, but also has the air purification and humidification function, through the spray atomization technology, the moisture and essential oils will be fused, to improve the quality of indoor air, to maintain the air moist, especially suitable for the dry season. 5：【Car and home dual-use】 Car and home dual-use: car air freshener diffuser can also be used at home to make guests and friends in the living room feel comfortable, in the bedroom, bathroom to remove odors comfortable sleep. High-value smart car air freshener for family and friends happy!