[Solid perfume lasts longer] This car aromatherapy uses nanofiber rods to effectively lock essential oil molecules, making the fragrance last longer and distribute the fragrance evenly without cracking or leakage problems. [Suitable for various air outlets]This car scent air outlet clip is protected by a silicone sleeve, which is stable and not fall off. Suitable for all types of car air conditioning outlets, simple and convenient [ Scent Control Adjustment]This car air freshener outlet diffuser can be rotated to adjust the fragrance intensity you like, the new car smell disappear, turning on the air conditioner make the smell more obvious.