3 In 1 Personal 3 Speed Air-cooler Air Conditioner Cooling Fan Evaporative Humidifier Purification

Package included: 1 x Air Cooler 1 x Power cable Specification: USB cable length: 1.5-1.9 meters Color: black and white Speed: 3-speed Interface: USB port Size: 15cm x 14.5cm Features: -Three-in-one function of refrigeration, humidification and air purification. -The wind speed can be adjusted in three steps. -This product is provided with ice crystal and charcoal package. The ice crystal needs to be placed in the refrigerator for use after freezing. -Mute use, free of freon refrigeration environment. -Built-in water tank, once full, can last for 8 hours. -USB power supply, no internal battery (general mobile power can drive); USB cable length: 1.5-1.9 meters (there is no battery inside, not charging, can be plugged into a computer or mobile power supply can be used ) -Use place: office, home living room, kitchen, bedroom, bathroom and home building area, etc. Principle: This Air Cooler is physical cooling, filled with cold water, and the air passes through the cold water curtain to reduce the temperature.