3-speed wind speed portable usb fan $ 14.94 Capacity: 6000mAh Size: 1208030mm Weight: 220g Input: 5V/2A Output: USB 5V/2A Wind speed: 5-7.5m/S Speed: 4200 rpm Noise: 40-55dB Working time: about 7-10 hours Charging time: 4 hours Function description: a. Double-click the button to turn on or off the fan (long press can also turn on and off the fan) b. After the fan is turned on, single press to change the wind speed Copywriting description: Bladeless fan Small volume, low noise and large air volume 6000MAH polymer meets your cool day
