No batteries, no cells, all you need is sun to get air. When it’s not sunny, you can’t get the air, and of course, you won’t need air when it’s cloudy. The cap is suitable for hot summers especially for Asian people. It will keep your face and senses cool while walking outside.
- Two pieces Solar Panel
- Protect under sunlight with fan
- Cap size: 52-58 cm
- Each Solar Panel size: 2 x 2.4 cm
- Price: 16 USD