USB To Small 4 Pin Booster Cable Adjustable Speed USB To 12V Case Fan Cable 1. Wire model: 2464-22AWG (17 x 0.16mm copper wire) 2. Conductor material: tinned copper 3. Outer skin: PVC 4. Interface: USB fan small 4 Pin 5. Note: the voltage conversion and boost module is designed to load 1.5A. Please make sure that the voltage of the device you want to connect is between 5-12V and the current does not exceed 1.5A 6. Cable length: about 5098cm Features: 1. Voltage conversion: this fan cable can convert 5V USB power to 12V voltage to provide the required power for the 12V fan 2. Speed ??adjustment function: the built-in three-speed speed adjustment switch can adjust the working speed of the fan 3. Easy to connect: connected through the USB interface, compatible with various USB power devices, convenient for use in different occasions 4. Wide application: suitable for computer fans, chassis cooling, cars, outdoor activities and other scenarios 5. Safety: usually adopts safety design to ensure stability and safety during connection and use