Option Rechargeable Solar Fan - Efficient Dual Charging: Equipped with a large monocrystalline solar panel and a high-capacity battery, this fan can be charged quickly using sunlight or through the included 5V2A USB-C cable. Achieve a full charge in approximately 3 hours, making it a versatile choice for daily use and outdoor adventures. - Powerful Airflow: Utilizing an advanced brushless motor and ultra-thin fan blades, the solar fan delivers strong airflow with four speed settings. It can operate for up to 50 hours on the lowest speed and 16 hours on the highest speed, ensuring you stay cool even in hot weather. - Adjustable and Portable: Made from durable ABS material, this compact fan is designed to endure heavy impacts. Its adjustable head allows for a 0-90° tilt, directing airflow precisely where needed. Perfect for travel, fishing, camping, or construction. - Integrated LED Light: The fan features three brightness settings, providing a soft and glare-free light source, ideal for nighttime camping or hiking. It includes 2-4-8 hour timer options, which can also serve as an alarm to remind you to take breaks. - Versatile Use and Reliable Support: Crafted from high-quality ABS, this fan is shock and drop resistant, making it suitable for both outdoor activities and indoor tasks like reading or working. If you have any questions, contact us via Amazon Email for support, and we will respond within 24 hours.