katito Rose shaped USB Portable Mini Ultrasonic Humidifier (Blue) Suitable for the people long-term work at the computer.Compact and small Automatic power-off protection. if you fall asleep,you do not need to worry,after three hours usage,it will automatic power-off replenishment beauty, beautiful infinity, prevent radiation, eliminate fatigue. Inhibit bacteria, prevent flu Moisturize the skin, Increase air humidity. reduce radiation, elimination of electrostatic. clean air, smoke and dust USB interface humidification,A good Mate in office