Compact size and lightweight, easy to use. 3 wind speed modes. Air cooler has the function of cooling, purification,moisturizing, which will bring you a different cool experience. The air inlet volume is large, so that the water is evaporated quickly and the cooling effect is more significant. Quiet and energy saving, need to add water into the tank to generate cool fresh air. Portable Design and Charging Function: Small size, easy to carry, Our product can be used in offices, bedrooms, kitchens and other occasions. Specification: Material: ABS Plastic Water tank capacity: 550ml Size(LxWxH):approx.17×16.5×14.5cm/6.69×6.49×5.7inch Rated Voltage:5V/2A Rated Power:10W