Ultrasonic aromatherapy humidifier: : Water is decomposed into nano-scale cold mist, and the high-frequency electronic oscillation generated by the ultrasonic vibration equipment makes the aroma float in the air, generating a large number of active oxygen negative ions. Ultra Quiet Operation: Low noise operation (19 decibels), soothing, relieving stress, promoting sleep, the essential oil diffuser operates very quietly, a good companion for yoga and sleep. Handmade Ceramic/Stone Diffuser: Handmade ceramic cover, air dry naturally, the ceramic diffuser is sprayed with a layer of coarse sand, easy to clean, durable and space-saving. Automatic shutdown protection function: : The electric aromatherapy machine can be used continuously for 2-8 hours, and it is designed with an automatic shutdown function without water, which can be controlled by the remote control and shut down at regular intervals. Color Adjustable & Remote Timer: Create a relaxing, warm and loving scented environment. The dense, fine mist looks very soothing PERFECT GIFT IDEA: - Exquisite appearance makes it a really creative gift idea: unique Christmas gifts for women, birthday gifts, Thanksgiving gifts, Valentine's Day gifts, Mother's Day gifts, greeting gifts, New Year gifts, etc.