Small In Size, Big On Function Combined with Fan + Flashlight + Backup Power Bank function, pocket bear fan would be an everyday-carry-essential fan to cool you off in hot day and is multifunctional to satisfy your diverse needs. 14-21 Hours Cooling TimeUp to 21 hours cooling time in one full charge. Super long battery life allows you to enjoy it while travelling, commuting, working and any other outdoor activities. This mini handheld fan is USB rechargeable through regularusb socket, laptop, power bank or car charger. A Palm-sized Backup ChargerFeatured with unique and pocket size design, portable fan is easy to jam into a bag to tote around. And it is a perfect option as an external backup power bank to get your phone charged if necessary. Also A FlashlightDesigned with a flashlight function as a bonus. You may not look for a flashlight firstly but you will find that this is quite helpful when go out for a walk at night.