Light and perfect design Solar power, No battery needed, Portable, energy-saving, eye-catching and free of pollution. The brighter the sunlight, the faster the fan turns. Solar power, No battery needed, Only works in the direct sun. Clip on visor or held by hand, it bring you . Great for traveling, fishing, climbing, playing golf and other outdoor activities. Utilizes sunlight to emit lights to solar panel, and convert light energy into electric energy that drives the micro-motor to make fan work. Modeling: ordinary round Placement: clip type Colour: Black Material: plastic Size: Circular solar panel diameter 6.5cm Package Contents: 1 x Solar Powered Fan Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.