JISULIFE Mini Handheld Fan 3 IN 1, with 4500mAh Powerbank USB Battery Small, Battery Powered Max 37Hrs Runtime Portable Fan, Flashlight Function-Brown

["Long Battery Life】The Mini USB Fan is equipped with a built-in 4500mAh battery that supports 20-37 hours of operation. 37 hours of operation at wind speed level 1, 33 hours of operation at wind speed level 2, and 20 hours of operation at wind speed level 3 with a full charge, so you can enjoy the fan all day long at outdoor or indoor events. 【Power Bank Function】5V/1A USB output turns the USB hand fan into a power bank (4500mAh) in case of emergency for charging your mobile phone. 【Flashlight Function】The hand fan is quite bright and can be useful in dark areas or during power outages. 【USB Rechargeable and Touchable Blades】This USB rechargeable hand fan can be charged via computer, laptop, or USB power adapter. It only takes 2-3 hours to fully charge. With special soft TPE material, the fan blades are very safe. If you accidentally touch the rotating blades, the soft blades will automatically stop and protect you. 【Foldable and Portable】The size of this portable fan is only 4.7 * 1.4 * 1.4 inches, weight: 4.4 ounces. It can easily fit into your pocket or handbag when you're on the go to Disney, camping, etc. The foldable design makes it easy to carry and store."]