Mini USB Fan Governor Speed Controller Air Volume Regulator

Specification:

1. USB Fan Air Conditioner Strong winds and weak wind adjust freely Stepless Speed Regulation Fan Speed Regulation principle.
2. The non-adjustable fan is a 5 v direct fan motor, while the two-stall fan is the interior has a step-up circuit board.
3. When placed in the second gear, the boost plate will be USB 5 v up after the motor, the air volume is big!
4. The stepless speed governor output voltage range of 2.5 v to 8.0 v between the smooth changes.
5. The amount of free air flow set! And a wider range! Clockwise twist knob can increase the air volume; counterclockwise twist will reduce the air volume, and knob with switch function!

Features:

1. Suitable for the very common 5.0V USB fan on the market
2. Governor male Insert mobile phone charger, charge treasure, computer USB, fans Plug and then
3. Insert the Governor Head can! Or use the Micro USB 5.0V power supply
4. Power supply Range: DC 4~12V.
5. Output Range: DC 2.5~ 8.0V
6. Rated Power: 5W (Please do not overload use)
7. Attention matters: For two-shift fan, please place the fan in one gear, or you may not be able to adjust speed.