EASY TO USE AND COMPACT-- easy operation , car cup design which perfect fits most vehicle cup holder, portable size, can use in ANYWHERE at ANYTIME (Package only includes USB cable, NO adapter included) NOTE: NOT WIRELESS ENOUGH CAPACITY - The car diffuser has BIG capacity as 100ml container with 2 spray modes: 4H continuous misting with 7 changeable colorful LED lights; 6-8H intermittent misting with 7 changeable colorful LED light; Or use it just as nightlight (keep press the botton in 2 secds to open the colorful nightlight) COMPLETELY SILENT & BPA free - Completely quiet without producing any bothering noises, it will auto-shut off while wateroff, to ensure safety and a longer working life BRING MOISTURE AND NATURELESS TO YOUR CAR - Ultrasonic Technology works effectively to give the ultra-fine and smooth uniform mist, it is the easiest way to keep your car a fresh, moisture and odor free environment. DREAM LIKE GIFT - Perfect mini USB Humidifier, portable for any small area eg car, working desktop, bedroom etc.. Perfect high-tech gift idea makes ALL will LOVE it.