E-outstanding Fan Regulator 5W USB Fan Stepless Speed Controller with Switch DC 4-12V to 2.5-8V

Product description

Specifications:
Power supply range: 4V -12V
Output range: 2.5V-8V
Rated power: 5W
Weight: 12g
Package Included:1PC 5V USB Fan Stepless Speed Controller

Feature
USB fan speed controller.Mute multi-position wind speed regulator.It is suitable for offices, dormitories, bedsides, etc.
The stepless governor output voltage range varies from 2.5 volts to 8.0 volts.The wind speed is set arbitrarily.
Turn the knob clockwise to increase the wind speed.
Turn counterclockwise to reduce the wind speed, and the knob has a switch function.
Micro USB and Male USB are input terminal which used to connect to power supply.
Female USB is output which used to connect to fan.

Note: for two-gear fan, please put the fan in first gear, otherwise the speed may not be adjustable.