Features: Enhance your cooling experience with our DC5V Fan Speed Controller Cable, featuring a 5.5x2.1mm male to female, suitable for various personal cooling devices. This speed control cable comes equipped with a switch and offer three adjustable speed settings (low, medium, high) to provide airflows control, ensuring maximums comfort no need for a voltage boosters. Suitable for enthusiasts and hobbyists looking to customize their cooling systems for devices like laptop fans, LED light, or any compatible 5V gadgets. Whether you are aiming to improve your workspaces ambiances with a desktop fan or seeking efficient cooling solution for home electronics, this controller cable is your go to accessory for a tailored cooling environment. With a generous length of 35cm and supporting up to 5V, our easy to use fan speed controller is essential tool for maintaining the proper temperature. Specifications: Material:ABS Plugs:5.5x2.1mm female to male Voltages:5V Cable Length:Approx.35cm/13.78'' Package Includes: 1Piece Variable Speed Controller note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.