... versionUSB line operated, with common motor, oscillating function1) Power supply: USB line 2) Power: 2.5W, 500 mA, ... the power button to turn on or off it7) With 3 button function:(on/off, speed, swing) . ... light will show the current speed 8) With common motor.9) With Oscillating function.10) multiple color to choose:red, black, blue, white ... fan,USB tower fan,table electronic tower fan,with LED light