Car Humidifier & Essential Oil DiffuserJust add water, it can work as a car humidifier. Uses as a car diffuser when added to water and essential oils. Will remove dryness, help with dry skin, sinusitis and coughs, a few drops of your favorite fragrance will also release a silky aromatic mist and pleasant scent in your car. 2 working modes and high and low mist modeWhen using the car oil diffuser: Press the 1st time, continuous mist; the second time, intermittent mist for 10 seconds; the third time, turn off the mist. Long press: 2 buzzers sound high; 1 buzzer sounds low fog. Colorful lightsShort press, in the state of turning off the lights: one buzzer, the aromatherapy lights are on, and there are 7 colorful lights; press the second time, free colorful light mode; press the third time, select the color of some colorful lights, and then turn off . Long press: turn off the light. Smart Auto ShutoffWhen the water level falls below the low water line, the car humidifier diffuser will automatically shut off to prevent potential safety issues. To be on the safe side, you can use this. It's the easiest way to maintain a fresh, moist and odor-free environment in your car. USB Charger60ml capacity. The car aromatherapy machine is a USB cable, which is more convenient to operate and the power supply is faster. The design of the mug is perfect for you to keep it in your car. Note that it does not come with a plug adapter as it is more suitable for cars.