Top selling Fashion Colorful change mini usb ultrasonic air humidifier Product Descriptionusb ultrasonic air humidifier1. USB, DC5V,500mA,1.5W,Size: 91*100mm,Eco ABS material.2. 150ml, Touch switch,multicolor change, very fancy and beautiful.3. With intelligent detector to see water level.ultrasonic humidifier4. Air cleaning,cool diffuser,make..