Highlights9-Speed and Auto Rotation - Equipped with 9 adjustable speed settings, the quiet fan delivers a maximum wind speed of 4.45m/s and airflow up to 300 CFM. It features 90-degree automatic left-right rotation and 180-degree manual up-down rotation, allowing you to easily select the most comfortable airflow experience according to your needsLong-Lasting Battery - Powered by a 40,000mAh large-capacity battery, the small fan can run for up to 106 hours on speed 1 when fully charged. The LED l