The first result for USB switch on amazon[0] is the descriptively-titled USB 3.0 Switcher Selector 2 Computers Sharing 4 USB Devices KVM Switch Hub Adapter for Keyboard Mouse Printer Scanner U-Disk, Hard Drives, Headsets, KVM Console Box Compatible with Mac/Windows/Linux.
This device switches your keyboards and mice and so on between two computers. The software in OP reacts to these events and switches monitor inputs using some equivalent of HDMI CEC called DDC/CI.
This device switches your keyboards and mice and so on between two computers. The software in OP reacts to these events and switches monitor inputs using some equivalent of HDMI CEC called DDC/CI.
[0]: https://smile.amazon.com/Switcher-Selector-Computers-Keyboar...