1. "Small size, great function" integrates the functions of fan+flashlight+standby power supply, and the electric fan will become a necessary cooling fan for you in hot weather, with multiple functions to meet your various needs. 2. [Cooling time] It can be cooled for up to 21 hours when fully charged at one time. The long battery life allows you to enjoy traveling, commuting, working and any other outdoor activities. This mini handheld fan can be charged by usb through a common USB socket, laptop, power bank or car charger. 3. [A palm-sized spare charger] Unique pocket-sized design, F8 portable fan can be easily stuffed into the bag and carried around. If necessary, it can be used as an external backup power supply to charge your mobile phone, which is a perfect choice. 4. [Flashlight] is designed with flashlight function as a reward. You may not find a flashlight first, but you will find it very helpful when you go out for a walk at night. 5.3-stage deformable fan can completely fold the hidden blades, making it compact and compact, and can be put into almost any pocket. When folded at 180, it is a handheld fan, and when folded at 270, it is a desktop fan.