Description 5000mAh 11-20h Working Time: The battery life of the handheld fan is unbelievable, and it can run for more than 20 hours on low speed without any problem when sleeping on a hot night. The maximum wind can also last for more than 10 hours. Fully charged in 3 hours, the LED screen displays the power and wind speed in real time, so you dont have to worry about suddenly stopping work, and you can monitor the power at any time. 5 Levels Adjustable SpeedThis portable fan has 5 levels of intensity, the great little fan produces a breeze on the lowest setting and a hurricane on the highest. Control sleep wind/natural wind/fresh wind/cool wind/hurricane as you like. Rechargeable BatteryFanadith hand fan is compatible with all Type-C output devices, and comes with a standard charging cable, which can be used or charged with 5V output adapters, laptops, computers, power banks and other devices. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.