[Car and table aroma humidifier]: The Mini Ultrasonic Aroma Humidifier uses ultrasonic vibrations to produce mist in the air. It prevents throat and skin discomfort caused by dryness. Perfect for fall and winter seasons. You can add a few drops of your favorite aroma oil to enjoy the downy scent as well as the humidity in your car or office. [Up to 16 hours and safe auto-off feature] : Once filled with 60ml (2.2 fl oz) of water, this mini oil diffuser can be used continuously for about 8 hours with default low mist and 6 hours with high mist. In 10 second interval mode, it can be used for up to 12 hours with low fog. When the water runs out, it automatically shuts off. You don't have to worry about forgetting to turn off the power all night. [Silent USB Power Supply]: Perfect for travel, office or car. The included USB cable lets you easily connect car, PC or power bank power for maximum convenience. You can use it without worrying about noise while sleeping or working. Small and simple design, can be placed anywhere, very suitable for placing in the car cup holder. [7-color LED light]: The fantastic 7 colors of light can be switched automatically, and you can also fix the light you like and create a relaxing atmosphere. Use the light alone or with the aroma mist as needed. Wood grain design, suitable for car, office and home.