Rechargeable cordless design This smart car air freshener is completely wireless with a rechargeable battery, delivering hassle portability and fresh scent wherever you go. fragrance options It features a threelevel adjustable diffuser, allowing you to tailor fragrance intensity to create a driving atmosphere that matches your preference. Starry light effect Enhances the car ambiance with a captivating starry light projection that is calming and visually pleasing, helping set the mood during travels. Smart automatic functionality The diffuser activates automatically when you start the engine, delivering delightful scents instantly without manual operation. Why you need it Wireless and rechargeable for portable use in any vehicle Adjustable fragrance intensity to suit your taste Ambient starry light adds mood without distraction Automatic onengine start fragrance for instant freshness Use scenarios Daily commuting: keep your car smelling fresh every day without fiddling with controls Road trips and long drives: maintain a pleasant scent over extended journeys Rideshare or family car: create a welcoming atmosphere for passengers with subtle lighting and fragrance Specifications and performance notes Diffuser: threelevel adjustable Lighting: starry light projection Power: rechargeable battery Activation: automatic when the engine starts