3 IN 1 Personal Air Cooler & Air Humidifier - It is not only an personal air cooler, but also an air humidifier. *You can use the small evaporative air cooler all year round, cooling you in hot summer and humidifying the air in dry autumn and winter. *A full tank of water can continuously keep spraying for 2.5-12 hours (depending on the speed). *Adjustable Wind Speeds & Automatic Timing - 3 wind speeds (high,Medium,low) can be adjusted, manual up-down to adjust blowing direction within 60?to meet your different needs. *Three automatic timing (1/2/3H), you can choose the most suitable one to enjoy your leisure time,sleeping or working time. *7 Color Lights & Low Noise - The misting fan has 7 soft colors and 1 fade choices in all. *Place in dining or coffee table to create a romantic atmosphere! Desktop air cooler fan can work powerfully at a low noise level, let you enjoy a comfortable sleep all night with suitable temperature. *Removable DESIGN & Handle DESIGN - Removable design helps you more easily clean your water tank and add water& ice cube in the water container; Portable handle, you can easily carry it out, very suitable for homes, offices, outdoor picnics, etc. *Power Supply Methods & Energy Saving - Simply connect the USB cable to the devices that support usb port. Besides, The portable air fan operates at a low energy consumption, much cheaper than running a Freon air conditioner.(No Battery)