Ultrasonic aromatherapy humidifier uses ultrasonic vibration of liquid water to generate water mist and discharge it into dry air for air humidification. It will effectively surround your surroundings, and bring a spa-like spa feeling to your home, office, bedroom, shopping center, hotel room, spa, yoga horse cubic, and even workrooms, allowing you to Long hours of work. Just add 3-5 of GX. Disperse the aromatherapy oil into the water, you can feel the fragrance, and have a good mood and better sleep, alleviating the frustration after working all day. If there is not enough water, the item will automatically shut down. Lighting effect: colored light Working voltage: DC 5V Switch: plug and play Water tank capacity: 300ML Colour: white Material: ABS Package Contents: 1 * Aroma Diffuser 1 * USB cable 1 * Chinese and English manual 1 * Cotton core Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.