Small Size, Big FunctionCombined with fan+flashlight+power bank backup function, JISULIFE F8 handheld fan would be a daily essential fan to cool you down in hot days and is multi-functional to satisfy your needs. various needs. 14-21 Hours Cooling TimeUp to 21 hours cooling time on a single 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. Small size, big function > Pocket fan - Easy to store in a carry bag for optimal cooling. A palm-sized backup charger - An external backup power bank for recharging your phone if needed. Also a flashlight - You can search for it when you go out for a walk at night. Super long battery life - Up to 21 hours of cooling time on a single full charge. This allows you to enjoy it all day. 3 Stage Convertible Fan - Convertible and flexible for endless possibility. It can be a portable fan or a mini desktop fan as you like. USB Rechargeable - It is USB rechargeable via ordinary USB outlet, laptop, computer power bank or car charger. Pocket Size The JISULIFE F8 pocket bear fan is small enough to be stuck in a bag to carry and would be an essential daily carry fan to keep you cool on a hot day. Ensuring Safety With special soft TPE material, the blades are very safe . If you accidentally touch the rotating blades, the soft blades will automatically stop and keep you safe. How to open the lid? [Method 1] There is a small gap on the top between the cover and the main body for opening. [Method 2] Press the base where the USB connectors are and the main body on the top is exposed, then pull it out .