Innovative cap water adding design, quick water adding and humidification, no need to shut down. Ice water into the water container inside, and then the fan will blow cool wind, reduce the temperature inside the door Multiple power supply modes,USB Type-C interface, which can be powered by computer, power bank and car. The cooler fan produces low noise when working, providing you with a quiet and comfortable rest or working environment. The water-cooled fan is small in size, easy to put on the desk and bedside, small in space, Manufacturer: TRDEWR