1. Voltage conversion: This fan cable can convert 5V USB power to 12V voltage, providing the required power for the 12V fan. 2. Speed adjustment function: The built-in speed adjustment switch can adjust the working speed of the fan, usually with three gears:Low speed: suitable for quiet environment, providing volume.Medium speed: suitable for general needs, providing moderate air volume.High speed: suitable for high temperature environment, providing strong wind force. 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. : usually adopts design to stability and during connection and use. Specifications: Condition: Wire model: 2464- 22AWG (17*0.16MM copper wire) Conductor material: tinned copper Shell material: PVC Interface: USB A male/fan 4PIN Notes: When choosing, make sure the fan cable has sufficient current carrying capacity, and pay attention to purchasing reliable products to performance and . The converter 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. Colour:black Material:PVC+tinned copper wire The actual product may have slight color difference or difference, which will not affect the use Package Contents: 1 * Adjustable speed chassis fan cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.