Features: With nut with screw hole can directly lock the adapter on the panel. This version of USB3.0 is connection to USB2.0 equipment in backwards compatibility, which is USB3.0, and the data transmission rate can reach 5Gbit/s. Ensure that the transmission effect will not be attenuated because of the adapter, and it is easy to connect wireless networking cards, 3G networking cards, cameras, mobile hard disks, USB flash drives and other devices. The transmission speed is fast, reaching 4.8 gigabits per second, which is close to 5GB/ second. The high transmission speed of USB3.0 is ten times that of USB2.0. It have obvious advantages in mass storage and meets the needs of users for more efficient office, study and entertainment. Suitable for various occasions, supports flexible connection of various USB devices, and improves the use efficiency. Specifications: Component:ABS Size:Approx.40.6mm/1.6inch Package Includes: 1Pc Coupler 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.