- 500mAh rechargeable wireless car aroma diffuser provides long use between charges, reducing the need for frequent recharging on road trips and daily driving. - 3 adjustable fragrance modes let you choose subtle, medium, or strong scent to suit cabin size and personal preference. - Starry projection feature adds calming light patterns to transform your car interior into a relaxing, enjoyable atmosphere. - Intelligent operation automatically activates when you start your car and turns off when the engine stops; memory function recalls your last settings for convenience. - Compact, space-saving design designed for easy placement in the vehicle without clutter. - Practical use scenarios: - Long road trips: maintain a fresh scent and a soothing ambiance without frequent charging. - Daily commutes: set a gentle fragrance and soft starry light for a pleasant, less stressful drive. - Evening or night drives: combine fragrance with tranquil starry projection to enhance relaxation.