Descriptions: This large capacity (200ml) essential oil diffuser is perfect for ultrasonic aromatherapy. The light and fine mist create a realistic 3D flame effect that can be adjusted between a warm yellow flame and a cool blue flame. Add 3-5 drops of your favorite essential oils to relieve fatigue, hydrate your skin and provide a pleasant atmosphere to relax in. Extremely quiet and zero noise in use. Suitable for working, studying or sleeping. Built-in protection chip. It automatically shuts off if the water runs out, making it very safe and reliable. Timer function available. You can set it to turn off at 1/3/5 hour intervals. Allow you to rest in peace. Easy to clean and recharge without unscrewing, without great force and without getting your furniture wet. Powered by USB cable, which can be directly inserted into the USB port from the computer or into the charger socket (excluded). Compact and portable. Can be used as an air purifier, humidifier or night light. Perfect for use