4-in-1 USB Personal Air CoolerOur multifunctional desktop mini air conditioner with 4 functions including cooling fan, Purifier, humidifier, 7 colors LED atmosphere light. It is powered by USB, for the air cooler to work well, USE A 5.0V-1.5A ADAPTER. 4 Gears and 7 Color Lights This mobile air conditioner has four level wind speeds and 90 degree wind direction can be adjusted, you can choose the most suitable one to enjoy your leisure time,sleeping or working time. And the built-in colorful soft LED light not only can create romantic atmosphere, but help you with better sleep. You could set the air cooling fan on one color you like, 7 color-cycle modes, or switch off directly 4 Timer and 2 Modes Our mini desk air cooler built in four-speed timing function, 2-4-6-8 Hours, Cold wind and natural wind modes are optional, when the refrigerator is short of water, it can automatically switch to natural wind Humidifier & Air PurifierThis personal air conditioner designed with humidifier, air purifier function with 4 separate buttons, you could add clean water for humidifier function, or add essential oil for aromatherapy function, perfect for home outdoor office Easy Operation & PortableThe Mini usb evaporative air cooler designed portable and compact. Can be placed on the table, desk, kitchen. Perfect for home, office, bedroom, baby room, travel, outdoor activities use, etc. Ideal for improving the quality of life and the ideal gift for you, your family and friends.