Experience the ultimate in personal comfort with the Icy Portable Cooler, an all-in-one device that combines the functions of a cooling fan, humidifier, air purifier, and soothing 7-color night light. This compact and portable air conditioning fan allows you to create your own personal comfort zone without cluttering your home with multiple devices. Save money and space while staying cool and comfortable with the Icy Portable Cooler. The Icy Cooler requires only cold water to operate, no freon is needed! Simply add cold water into the tank (300ml, works for up to 8 hours per fill) then press the middle, power button to start. The button on the left adjusts the speed from low to medium to high and the button on the right sets the soothing light color of your choice. Cooler effectively turns hot, dry air into cool, moist, and refreshing air, utilizing evaporative technology. The cooler keeps your skin moist and cool and it's more comfortable and healthier than staying in an air-conditioned room all day long. Compared with a traditional air conditioning fan, the Icy Portable Cooler is mini-sized, measuring only 6.5 x 6.7in., so it occupies only a small amount of space. It's powered via USB with 10W consumption, making it safer and more energy efficient than using an AC adapter. Features Uses only water, no freon needed, to get cool air Gives 300 ml filling, with up to 8 hours continuous cool air Works on evaporating technology Creates no stinky smell or dampness in surrounding Works anywhere using USB with just 10W consumption