Wireless Car Aroma Diffuser: Rechargeable battery offers cordless convenience for your journeys. 500mAh capacity provides lasting power between charges and eliminates the need for constant plugging in. 3 Adjustable Modes: fragrance intensity with three levels of diffusion to suit your preference. From subtle to rich aroma, you can create a incar atmosphere on every trip. Starry Projection Feature: Enchanting starry light patterns create a tranquil ambiance, turning your vehicle interior into a relaxing sanctuary. Intelligent Auto Operation: Automatically activates when you start your car and powers down when you turn it off. Memory function retains your last used settings for easy, effortless reuse. Use scenarios Daily commute and errands: The cordless design and auto activation ensure fragrance is ready as soon as you start the car, without manual setup. Long drives and road trips: The 500mAh battery provides lasting power between charges, while three diffusion levels let you dial in the desired aroma intensity for extended journeys. Rideshare or family trips: The starry projection creates a calm, pleasing cabin ambiance for passengers, and the memory function recalls your preferred settings for quick setup.