DC 5V 12V 1.2A 2-wire 3-wire Fan Temperature Controller Automatic Speed Control

PWM Speed Controller Small 4P B3 4-Wire Fan Speed Control Module 5V USB Type-C

5W DC5V2A Fan Controller Stepless Speed Control w/ Switch USB Protection Type-C

DC 4-12V 5W Mini USB Fan Speed Controller Adjustable Fan Speed Control Module

5W DC5V2A Fan Controller Stepless Speed Control w/ Switch USB Protection Type-C

5W DC5V 2A Fan Controller Stepless Speed Control + Switch USB Protection Type-C

PWM Speed Controller Small 4P B3 4-Wire Fan Speed Control Module 5V USB Type-C

4-12V Micro USB Fan Stepless Speed Controller Regulator Variable Switch Module