Features: brand new and high quality This cable is 5V USB port to 4pin fan cable with switch, it allows you to power most case fans by using a USB connection. You can turn on off any-time by switch Fan must have a start at or 5V (fans with a start will NOT work), 12V fans will be operated at a reduced 5V for silent operation. Made of high-quality materials, exquisite workmanship, very good quality and long service life. Greatly improve the accuracy, save-time and convenient for operation. Specifications: Insulation material: PVC Product length: Approx.34cm/13.38inches Wire model: 2464 22AWG Conductor specification: 17x0.14TS Conductor material: tinned copper Outside diameter of wire rod: OD3.5mm Input: 5V Output: 12V Power: 11W Weight: 23g Package Includes: 1x 4Pin USB Cable note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.