Three-in-one multi-function Cooler humidifies;purifies and chills the air using evaporative technology. Best for hot dry climates.Also keeps your house away from the mess of being filled with kinds of items. AdjustableThree wind speeds (high;Medium;low) can be adjusted;enable to get to 5-8 degree;you can choose the most suitable one to enjoy your leisure time;sleeping or working time. USB Charging Portable DesignUSB charging or AC current supply;built-in water tank;once full;can last for 8 hourswhich is convenient to take it to any place;even outside when your family go for an vacation. 7 colors LED lights7 Different Colors with Color-Cycle Option;and can be used as a night light. Energy Saving and Non-FreonUsing process mute;This Mini Air Conditioner Fan is Low Energy Consumption as a Simple Small Circular Fan;Freon Free;Energy Efficient & Eco-friendly. 3 in 1 Portable Evaporative;Humidifier and Purifier: Works via any USB power supply. It can be run by using a laptop;a power bank or a wall outlet.You just need to fill the tank with water;then plug it into a power source and enjoy refreshing;cooling air! Easy Operation & night light: Precisely adjustable fan speed allows you to control the sound level as you wish. You can match any interior by using 7 sets of built-in LED lights Air Purifier: Air Cooler not only lowers the temperature of the Air around you;it also Purifies the air to prevent dust;pollen;and other allergens from being Spit Out onto customers. It also humidifies the air which makesitbetter for your skin. Energy efficient & eco-friendly: Freon free;The Cooler is 350 Watts of pure Cooling Power.Built-in water tank lasts up to 8 hours . Can cool The Air around you whether even on a scorching Summer Day.