Retro Tower Fan Desktop Silent USB 2 IN 1 Fan Conditioner Ultrasonic ilation Fans|HVAC Systems & s : *1. Dual-purpose, can be used as humidifier/desktop fan. *2. Trinity, 60 wind guide vanes, super large wide angle, softly blowing air. *3. and small, electroplating retro process. *4. wind speed, regular spraying, physical cooling. *5. capacity water tank ml, USB interface, 5W low power, mobile power can be connected. speed gear: one fluctuation, two fluctuation and three fluctuation are used to open low, medium and high grade air supply. gear: the next fluctuation once or twice is to open long spray and intermittent spray functions. : Material: ABS+GF+PC : white Product size: 109*109*293mm Operating power: 5W supply: USB Rated voltage: 5V/2A speed: 3rd gear Operation mode: machinery Whether charging is supported: not supported tank capacity: ml