Cold Sky Portable Handheld Fan 4000mAh Battery Operated with LED Display Handheld Personal Small Fan 5 Speed Mini Fan for Travel Please note that The fan needs to be long pressed for 3 seconds to turn on, short press cannot turn on, handheld fan startup operation video Adjustable 5-Speed Wind Settings With multiple speed options, this portable fan delivers powerful airflow to quickly beat the summer heat, keeping you cool and refreshed on the hot days. Long press to turn it off at any speed. Powerful Motor and Stronger Airflow Driven by a high-speed brushless motor, this handheld fan delivers a maximum wind speed of 9m/s, offering a stronger and faster cooling airflow. It is designed for travel, outdoor activities, or quick refreshment. 12 Hours of Cooling Comfort Equipped with a 4000mAh high-capacity battery, this fan provides 3-12 hours of runtime depending on speed. It can be used as a handheld fan for outdoor activities or a desk fan for indoor use. Large Digital Display The clear digital screen lets you monitor wind speed and battery life in real time, so youll never have to worry about running out of power. Enjoy uninterrupted cooling wherever you go. Compact and Portable with Anti-Loss Strap Weighing just 180g, this small fan is lightweight and easy to carry. To enhance safety and convenience, it comes with an anti-loss strap that can be attached to your hand or backpack.