Install solar panels on cap top or front to convert light energy into energy, driving the micro-fan on the peak to produce cool wind. The air quantity may be adjusted on its own with the change of the sunlight. The stronger the sunlight is, the air quantity becomes heavier, and one will feel cooler. When there is no sunlight, dry cells may be used to drive the fan. The products are novel, unique and pragmatic. They can protect one from the sun and can be used as advertisements and gifts.They are applicable to trips, fishing, climbing mountains, watching games participating in publicity campaign and outdoor operations.They are very popular among children, young people and foreign customers.
