Big sale Solar Panel Fan Mobile Power Supply Outdoor Ventilation Cooling USB Interface Portable Device

1、When connected to the solar panel the fan can run; plug into the USB port of the computer to be used alone. 2、When connected to a solar panel the working method of the fan depends on the sunlight. 3、When hot air is generated by the sun the fan immediately rotates and dissipates heat and ventilates in time. 4、The solar panel fan saves wiring troubles is safe and convenient and is very suitable for outdoor use. 5、The fan power cord is long enough and there is no rechargeable battery inside and if you need to use it at night you can add a power pack.