Stay cool and comfortable with this portable 4-in-1 personal air cooler fan. Perfect for indoor use, this unit features three speeds and is powered by a USB cable, making it easy to move from room to room. The mini air cooler includes a water tank, adjustable air flow, and 7 LED colors to set the mood. Ideal for use in any room of the house including the bedroom, living room, and kitchen, this air cooler fan is made of ABS plastic and has a glossy finish. It is designed to be quiet during operation with an operating sound rating of 30 dB. With its compact size and desktop or personal mounting options, this air cooler fan is a must-have for any home or office.