Product extender USB3.0+USB2.0 connect USB card reader, U disk, mobile hard disk, read data and easily connect USB, external devices such as mouse, keyboard, gamepad, printer, etc.No driver required, hot swappable, plug and play, and negative pluggable.USB 3.0 faster than USB 2.0 up to 5Gbps transfer rate. Compatible with USB 2.0 and 1.1 specifications.Support overload voltage and -current protection function, can the connected equipment and HUB itself effectively when suddenly energized.Support system: Windows 2000/2003/ME/XP/Vista/WIN 7/8/10 or for OS 8.1 or higher.Product name: 4 Ports 2 in 1 HUB Docking AdapterInterface: USB3.0/ Type C port4 Ports: 1 x USB3.0 + 3 x USB2.0type: USB HUBcolor:GreyMaterial:aluminum alloyPackage Contents:1 x USB HUBOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.