2 In 4 Out USB3.0 Sharing switch box enables two computers to share up to 4 USB peripheral devices,Such as mouse,keyboard, flash drive,scanner,printer,USB hubs and more 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 with more than one Competer. Usage:1. port USB C 5V power supply interface for power supply for the switch 2. port USB input connect 2 computer or laptop by 2pcs USB3.0 A to A cable 3. USB A Output connect 1pc keyboard and 1pc mouse , and 1pc other USB disk , or 1pc printer / scanner/Webcamera or other USB device 4. Switch button for switch between 2 computer , for example, button, switch to first computer , and use keyboard and mouse control the first computer, button again, switch to second computer, and use keyboard and mouse control the second computer 5. USB C output connect other USB C device by 1pc USB2.0 USB-C cable Input:2x USB3.0 A female for PC Output:3x USB-A+1x USB-C female for USB Peripheral devices Compliant with USB3.0 USB Interface: USB3.0 backwards compatible with USB2.0/1.1 Supports data transfer rates of up to 5Gbps Plug&play,no drivers needed Supports for OS//Linux/for Chrome OS etc. Note:USB1 is the default input port and you can switch to USB2 by the manual botton Colour:Black Material:ABS Package Contents: 1 x Switch 2 x USB3.0 data cable 1 cable 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.