Indoor

20000mAh Huge Capacity: Powered by 20000mAh rechargeable battery, it can be fully charged in 9-10 hours with 5V3A input via the including type-C cord, and provide 8.5-200 hours duration depending on your choice of speed, brightness and oscillation. Built-in 5V/3A type-C input/output port and a 5V/2A USB output port for charging the fan conveniently, or use it to power other devices, a good helper for camping trip, power outage, hurricane, etc Auto-Oscillation & Angel Adjustment: The fan head can oscillate within 90° or 45° automatically by pressing the oscillation button to choose, covering a larger wind area and benefit more people instead of just one. 270° pivoting head ensures it blows in the direction you want Strong & Quiet: Equipped with double triblades, this fan can deliver much stronger yet quiet airflow. 4 adjustable speeds will meet your demands for different occasions. Great fan to cool you down immediately on scorching days