USB Powered: The evaporative cooler comes with a USB cable to power computers, power , wall chargers, and any other USB-enabled power source. Just plug it in and work all day or night. Perfect for your bedroom, office, living room and kitchen. 3-SPEED & EASY TO USE: We've improved the setup and use of this portable air conditioner. These three steps cool the heat around you in seconds, making the wind cooler, wetter, and cleaner. Powerful Cooling: Are you feeling too dry in a room with air conditioning on? are here to help! Enjoy a cool summer with this fan. Saving and Efficient: This small air conditioner consumes less and is cost-effective. The fan can be automatically set from one side to the other, allowing it to blow in more directions. This portable air conditioner fan makes a thoughtful gift for friends or family members who need a comfortable, cool, relaxing environment during the summer.