RUNCCI-YUN 3Pcs USB Fan Speed Controller, DC 5V Stepless Mini USB Fan Governor DC 4-12V to 2.5-8V 5W Regulator Speed Control Knob with Switch

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Product description

  • Material The USB fan controller is made of an electronic accessory, the inner conductor is made of pure copper, it is durable and durable for you.
  • Package including 3 pieces * USB fan speed controller
  • USB fan speed controller The wind speed of the fan can be adjusted between 2.5V to 8V depending on your convenience
  • Instructions for use Plug the controller into the phone charger or charging treasure, plug the fan USB plug into the controller USB port, and then turn the adjustment knob to adjust the small air volume and large air volume. Turn the knob clockwise To increase the air volume, the air volume is reduced by turning it counterclockwise and the rotary knob has a switching function.

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