Specification:
Brand new
Material: metal
Rated power: 5W
Power Supply Range: 5V to 12V (direct USB port)
Output Range: 2.5V-7.5V

Feature:
Turn the knob clockwise to increase the air volume. Turning it counterclockwise will make the air volume gentler.
Insert the governor into the mobile phone charger or charging treasure, then insert the fan USB plug into the USB port of the governor, and then adjust the large volume of small air volume by turning the adjusting knob.
Fine workmanship and good performance.
Easy to use.
Long service life.

Package included:1 x USB Fan Stepless Speed Controller Regulator

Note:
When used to adjust the fan in two stages, please put the fan in one gear, otherwise it may not be able to adjust the speed.
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.

 
Specification:
Brand new
Material: metal
Rated power: 5W
Power Supply Range: 5V to 12V (direct USB port)
Output Range: 2.5V-7.5V

Feature:
Turn the knob clockwise to increase the air volume. Turning it counterclockwise will make the air volume gentler.
Insert the governor into the mobile phone charger or charging treasure, then insert the fan USB plug into the USB port of the governor, and then adjust the large volume of small air volume by turning the adjusting knob.
Fine workmanship and good performance.
Easy to use.
Long service life.

Package included:1 x USB Fan Stepless Speed Controller Regulator

Note:
When used to adjust the fan in two stages, please put the fan in one gear, otherwise it may not be able to adjust the speed.
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same.