Connect the power: just tap on / off, and the humidifier will turn on automatically. Silent Ultrasonic Operation: Very quiet, it can create a quieter sleeping environment. Moisten your living space to prevent dry, congested air and cold / flu germs from infecting your loved ones. Avoid dry, chapped skin in dry winter months. UNIQUE DESIGN AND TOUCH CONTROL - Natural style wood grain blends easily with most furniture in the room. The lid is easy to remove and can be easily removed to fill with water. Just touch the switch to control the power supply and LED lights without buzzing. Power supply via USB / waterless automatic shutdown: Powered by USB adapter (not battery operated, USB cable is included, USB adapter is not included). The humidifier turns off automatically when the water runs out. You don't have to worry about your family being in danger or the device getting damaged. This is safer than a normal humidifier Wide Use: Great for different environment, for example bedroom, children's room, office, spa, yoga, don't worry about your baby's sleep quality when in the dark. It can also be used as a desk decoration to create a cozy and pleasant atmosphere Colour:dark wood Material:ABS Size:11 x 11 x 11.5cm Package Contents: 1 * oil diffuser 1 * usb cable 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.