Introduction 2 in 4 Out USB3.0 Sharing switch box enables two computers to share up to 4 USB peripheral devices. Such as mouse, keyboard, drive, scanner, printer, USB hubs andmore at to 5Gbps. You can easily switch to any of your connected computers by pressing the manual button. It is a cost effictive solution for those who work withmore than one competer. Specification Input 2x USB3.0 A female for PC Output: 4x USB3.0 A female for USB peripheral devices Compliant with USB3.0 specification, backwards compatiblewith-with USB2.0/1.1 Supports data transfer rates of up to 5Gbps Plug&play, no drivers needed Supports for Os//Linux/chrome Os etc. Note: USB1 is the default input port and you can switch to UsB2 by themanual botton Color: Black Material: plastic Package Contents: 1 x Switch 2 x USB Cables 1 Cord 1 x Multilingual instruction manual Only 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.