USB3.0/5Gbps quickly read/transmits less data and wait for no trouble, easy to use and use.That is, plug and use USB A & USB C connector to use more flexible.Can connect multiple USB device ports to easily expand keyboard / mouse / printer game accessories and other read transmission data U disks, mobile hard disks, etc.Small and exquisite, playing around the palm, easily travel without burden. Beautiful and practical.The integrated aluminum alloy body has good compressive resistance and fast surface heat dissipation.Type: USB C & USB A 4 in 1 ExtensionTake the mouth: RJ45 x 1+usb3.0 x 1+usb2.0 x 2System compatibility: Windows/Linux/ OS/Harmony OS/ ETCCompatible device: mobile phones or computers with USBC or USB A interfaceMaterial: aluminum alloyColor: GreyPackage Contents:1 x Extended DockOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.