3-in-1 Air Cooler;The compact personal air cooler was designed with refrigeration, humidification and air purification function which allows you to creat a personal comfort zone. 3 Gear Wind Speed; 3 gear wind speed for your choice,the fan speed can be adjusted among low, medium, high according to your demands,creat your own personal cooling zone. Easy to Fill Water;Cool with pure water, without chemistry, Runs up to 8 hours with a full tank. We advise that adding 3/4 Water in the tank is the best. Easy to use;You can freely move the location of the air conditioner, It is suitable for any room, office, travel, climbing and other activities, You can carry it with you and use it conveniently.