JISULIFE Portable Handheld Fan, Mini Rechargeable Hand Fan, Small Battery Operated 14-21hrs, Personal USB Foldable Fan, Pocket Fan with Power Bank, Flashlight, Gifts for Women/Girls/Friends - Blue

【Super Long Endurance and Strong Airflow】Adopted the advanced technology, it lasts for 14 hours with 2-speed, 21 hours with 1-speed after about 3 hours full charge. The maximum rotating speed of the fan is 3400 rpm which is enough for personal use to keep you cool.