Specification,

1) Use by USB line, you can use it when you play laptop or computer
2) Power: 2.5 W
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 shut off it
7) With 3 speeds, low, medium and high, press the spreed to change. An LED light will show the current speed
8) No noise
9) With anion function,make the air fresh

10) With four color to choose:red, black, blue, white