About this item Small size, big function Combined with fan + flashlight + backup power bank function, JISULIFE F8 handheld fan would be a daily essential fan for cool you down on hot days and is multi-functional to satisfy your various needs. 14-21 Hours Cooling TimeUp to 21 hours cooling time on one full charge. Super long battery life lets you enjoy it on the go, commuting, work and any other outdoor activity. This portable mini fan is USB rechargeable via regular USB outlet, laptop, power bank or car charger. A palm-sized emergency charger Equipped with With a unique and pocket-sized design, the F8 portable fan is easy to store in a carry bag. And it's a perfect option as an external backup power bank to charge your phone when needed. Also a flashlightDesigned with a bonus flashlight function. You may not look for a flashlight at first, but you will find it very useful when you go out for a walk at night. 3 Stage Convertible Fan Able to be fully folded to hide the blades, makes it small and compact enough to slip into almost any pocket. It is a portable fan when folded 180 and a desktop fan when folded 270.