Features: Transform your PC cooling setups with our USB to 4 Pin fan adapter cable, which boosts 5V to 12V, ensuring efficient power delivery for fan performances. Crafted with copper, this 32cm cable is lightweight and portable, featuring Switches for easy fan control without the need to unplug the USB. Ideal for enthusiasts and individuals enhances their computers cooling system effortlessly. Perfect for temporary cooling needs or permanent installations in environment, from home offices to gaming setups. Simplifies your cooling solution with this adapter, suitable various standard 4Pin fan, accessory for maintaining PC performances. Specifications: Component:Copper Type:Big 4Pin/4Pin Big 4Pin:Approx.340mm/13.39inch 4Pin:Approx.343mm/13.5inch Package Includes: 1Pc Power Adapter note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.