3 Color Starry Sky Projection and RGB Music Syncing Light: The upgraded 3-color starry sky projector of this smart car air freshener can adjust the angle, switch each color freely, and can be combined to project 7 different romantic starry skies. The atmosphere light will beat with the rhythm of music or ambient sound. Create a unique and beautiful atmosphere and visual experience for you. Make every drive a pleasant aromatic journey.Intelligent Automatic On/Off: The car air freshener diffuser has the latest smart sensing chip built in, which can quickly sense the vibration of the car and start and shut down intelligently. It starts when you enter the car and turns off after 10 minutes when you leave the car. 3 Adjustable Modes: The smart car air freshener diffuser provides 3 adjustable modes, fresh fragrance mode (spray once in 8 minutes, purple light is on when spraying), light fragrance (spray once in 2 minutes, blue light is on when spraying), strong fragrance (spray once in 6 seconds, red light is on when spraying). You can freely adjust the fragrance to match your mood and preferences.Natural and Safe Fragrance: The equipped 50ml air freshener is made of natural plant extracts, does not contain alcohol or additives, and has a fresh and non-irritating fragrance. Ensure that pregnant women, children and the elderly can use it safely. With the nano-atomization technology of the smart car scent diffuser, it sprays a uniform and delicate fragrance mist, which can quickly fill the entire car with a pleasant fragrance and easily eliminate various odors.