This device also has a button to switch control from A to B, along with a light indicator to help you know which one is being used. It has three USB ports, two of them for computer, while one port to connect your keyboard or mouse. Sabrent is a small device with USB ports, allowing the central computer to share its keyboard to another computer. Since most software setup feels too complicated for average users, physical hardware offers excellent convenience with just a simple press button to switch the machines. In several conditions, hardware setup always outstands any software configurations. How to use FlexiHub Share keyboard between two computers with hardware