This portable neck-hanging fan is exquisitely designed, freeing your hands and providing great convenience. Three-speed wind speed adjustment function, which can adjust the wind speed according to different needs to ensure the user's comfortable experience. USB-powered rechargeable neck fan, which can be charged by computer, mobile phone charger, mobile treasure. The low-noise design when the fan is running brings you a quiet and cool enjoyment. Equipped with an LED display, which is convenient for users to view the working status and power information. Ideal companion for summer outings. 8 1/4'' L x 6 1/2'' W