USB Mini Humidifier Office Air Purifier Can Be Used In The Car Feature： Simple operation: the first step of humidifier work: open the front cover of the humidifier. Step fill the humidifier with pure water, then screw on the front cover and wait for the cotton swab to soak completely. Step Insert the USB cable into the socket, press the switch, and the humidifier starts to work. Key operation: USB power supply: Through the connection of the USB power cord, you can use the power port of the computer or mobile phone, or plug it into the USB port of the car to humidify the air inside the car and prevent inflammation of the nose and throat. Let dry. Low noise processing: The design below 36dB makes the product run quietly. The mute control of the mini ultrasonic humidifier can create a comfortable and interference-free sleeping or working environment, suitable for baby rooms, cars and offices. Portable mini design and ultra-quiet new technology. Anti-burn time, intelligent power off, safety protection. No radiation, USB power supply Material: ABS Product size: 7.5x7.5x14.5. Rated power: 2W. Water capacity: 200ml. Product color: pink, white, blue. Power mode: USB power. product information: 1 X portable humidifier. 1 X USB cable. 1x usb night light 1x usb fan