1. Product name: USB Desk Grommet Hole. 2. Size: 2.36" (60 mm). 3. Cable length: 1.5 m. 4. Extend the USB 3.0 port to your desktop computer for easy connection of flash drives, mobile hard drives, Bluetooth adapters, mice, etc. 5. Only applicable to 2.36"/60mm standard grommet hole, please make sure your desk hole diameter is 2.36" before purchasing. 6. Simple and easy to use, just follow the operation steps to put the wheel hub into the table hole. And the wire hole can be removed to allow the large plug of the data cable to pass through, a more user-friendly and practical design. 7. Compatible systems: Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X (10.x or above), Linux does not require a driver, plug and play, support hot plugging. 8. Very suitable for connecting USB 1.1 or 2.0 peripherals, such as USB mouse, USB keyboard, USB SD TF card reader, USB portable hard drive or any PC notebook with USB port. 9. Packing quantity: USB desktop cable manager