Soondar&reg; Crystal Night Light Humidifier Atomizer Air Humidifier LED Ultrasonic Purifier Diffuser with USB (Green) This personal humidifier offers portability that is perfect for travel use. Only need water and adapter power supply,say goodbye to dry life Also ideal for use at work,home or for anyone who desires its convenience and portability Can be use beside TV and computer,dissipate the static charge and reduce exposures Best option for gifts to your friends!