1) Power supply: can use USB line & 3AA batteries

2) Power: 2.5W, 500 mA, AC:100-240V/50-60Hz DC:5V

3) Material: ABS 

4) Plug the USB line(included) into the fan and into an laptop USB

5) Place the fan on a dry, level surface

6) Press the power button to turn on or off it

7) With 3 button function:(on/off, speed, LED) .

3 speeds, low, medium and high, press the spreed to change,

An LED light will show the current speed