Ultrasonic Quilt Operation: This Essential Oil Diffuser adopts Safety and Environmental Protection PP Material and ultrasonic technology that provides whisper smooth mist and pleasant aromas to create a calm, relaxing environment, soften and moisten dry and chapped skin, High-quality eddy fan ventilation channel, Water mist will be sent to high places, 360 degrees arbitrary rotation out of the fog direction to helps you breathe better in winter. It is not only a usb oil diffuser, but also functions as a humidifier. High-quality eddy fan ventilation channel, Water mist will be sent to high places, 360 degrees arbitrary rotation out of the fog direction and protect you family from excessively dry air. Intelligent Design: One button control spray, preset time closure, cold and warm light function. Detecting is no water in the humidifier, automatically stop working to prevent dry burning. Ultrasound automation technology can make essential oil and water more uniform diffusion,have 70 ml/h fog output, remove dryness and heat, and create a comfortable environment. Large Capacity: Aroma Diffuser with 500ml water tank. No need to add water frequently and up to 10 hours of work to fresh air. Simple Operation: Open the top cover, add essential oil and water, electrify, enjoy moisturizing aromatherapy and lighting.