Ventilatore da scrivania con pannello solare USB da 5 W, modello piccolo per esterni, adatto per casa, scrivania e laptop.

1. The fan spins at high speed in bright sunlight. In weak sunlight, the fan may reduce its speed or stop. 2. The fan can operate when connected to a solar panel. It can also be used independently via a computer's USB port. 3. When connected to a solar panel, the fan's operation depends on sunlight conditions. 4. The fan does not have a built-in rechargeable battery. If you wish to use the fan at night, you can use a power bank.