[Mute] The product uses ultrasonic technology, and is very quiet when working, less than 30 decibels. [Security] The product adopts a USB port, which automatically cuts off the power in case of lack of water. It is safe and environmentally friendly when used. [Night Lights] The product is designed with a cute “pumpkin” pattern, and 8 colorful night lights give you a comfortable and comfortable sleeping experience . [Practical] The product has a small volume and a large humidifying effect, which is convenient for use in offices, living rooms, bedrooms, children’s rooms, etc.