【Powerful Handheld Fan】The portable personal fan has 5 spiral fan blades that simulate the power of an aircraft engine, which can maximize the intensity of the airflow and blow a strong wind with high cold pressure. 【5 Adjustable Wind Speeds】The mini handheld fan has 5 adjustable wind speeds. Just press a button to switch between different wind speeds, and hold it for 3 seconds to turn it off directly. 【Super Long Working Time】Portable fan with rechargeable battery. Built-in 4000mAh large capacity battery that can be charged at any time. You can connect your mini handheld fan to any USB device. Depending on the size of the air volume, continuous use of 8-15 hours is possible. The batteries of our portable fans last 20% longer than most portable fans. 【Detachable Design】The grille of the small handheld fan is detachable. The grille can be removed by turning counterclockwise and is very easy to clean. 【Handheld Fan】This handheld fan can be folded 90°, is small in size and weighs only