Yeeco USB Fan Speed Controller, DC 5V Stepless USB Fan Governor DC 4-12V to 2.5-8V 5W Mini Fan Speed Regulator Speed Control Knob with Switch
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Yeeco
{"Package Dimensions": "4.1 x 1.5 x 0.2 inches", "Item Weight": "0.634 ounces", "Date First Available": "January 22, 2020"}