Built-In 10000Mah Rechargeable Battery; Up To 40 Hours At Low Speed;5 Levels Of Powerful Wind Adjust; You Can Clip This Belt Fan To Your Shirts, Belt, Or Pants, Or You Can Hang The Personal Fan Around Your Neck With The Lanyard. Built-In Led Light And Sos Function, It Not Only Provides Long-Term Illumination But Also Helps You With Outdoor Activities
