The screw allows the hub to be easily attached at an accessible location. The USB 3.0 interface offers a transfer rate of up to 480 MB/s, enabling you to transfer your data in no time. Up to four USB 3.0 ports can be used simultaneously to meet all your needs in work and life. The product is made of an aluminum alloy, providing an exquisitely designed appearance and excellent heat dissipation. The LED light illuminates when devices are connected, allowing you to clearly see the operational status of your hard drive. The adjustable screw lets you attach the hub to a screen or desk edge with a thickness of 10 mm to 32 mm.