Portable Fan, 3-in-1 Mini Handheld Fan, Portable USB Rechargeable Small Pocket Fan, Battery Powered Fan [Working 14-21 Hours] with Power Bank, Flashlight Small Size, Big Function: F8 pocket fan combines fan + flashlight + emergency power bank functions, is an everyday essential fan to cool you down in hot weather, and has multiple functions to meet your various needs. Cooling Time from 14 to 21 Hours: Cooling time up to 21 hours after full charge. The extra-long battery life allows you to enjoy it on the go, commuting, working, and any other outdoor activities. This portable mini fan can be USB charged via a normal USB socket, laptop, power bank, or car charger. Palm-Sized Backup Charger: F8 portable fan adopts a unique pocket-sized design, which is easy to fit into a handbag. It is a perfect choice for an external backup power bank to charge your phone when needed. Also a Flashlight: Designed with an additional flashlight function. You might not look for a flashlight at first, but you'll find it very useful when you're out for a walk at night. 3-Level Convertible Fan: Ability to fully fold to hide the blades, making it small and compact enough to fit in almost any pocket. When folded 180 degrees, it's a portable fan, and when folded 270 degrees, it's a tabletop fan.