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
£6.99
This product is an ideal solution for users who frequently use their laptops or small power devices in cramped spaces or areas with limited air circulation, requiring adjustable and efficient fan speed control.
