Just use of green power solar energy and the fan will on!
An innovative and Energy efficient way to defeat heat of Summer Season. The Cap Has twoSolar Panels on the flap with a fan in the center inclined and adjusted in such a way that when it works under Sunlight the flap of the gives you shade and fan give cool breeze on your face.
Energy saving, no batteries required.
The fan on the cap cools your face and forehead
Use suns energy to keep you cool
Solar Fan cap works in all seasons when under sunlight