Ultrasonic Technology: Essential Oil Diffuser creates a fine mist using ultrasonic misting technology, which can be enhanced with aromas by adding essential oils. ideal for calming your mood, relieving stress, helping you sleep. 4 Timer Settings: The diffuser has four adjustable working modes (1 hour / 3 hours / 6 hours / stable), You You can choose different time mode according to your needs. Auto Shut Off Without Water: The diffuser can hold 400ml water at most, When the water runs out, the machine will shut off automatically. adopts BPA-free material which will not give off any harmful smell, provide you a pleasant and healthy life. 7 LED Lights: Aroma Diffuser has 7 colors night lights for your choice, LED lights can change continuously. You can adjust the brightness of the colors creates a romantic atmosphere. Relieve Stress: Humidifier brings humidity and also refreshes the air quality, Help purify and humidify the air, for bedroom bedroom, office, living room, yoga, spa, baby room, etc. Suitable for family use