The HM-KVM4-4 switch.  4 Ports HDMI2.0 Quad Monitor HDMI KVM Switch With USB 3.0, Audio, allows users to share one set of keyboard, mouse, monitor, and audio between two computers, and supports resolutions up to 4K 60Hz (4:4:4). Independent 3.5mm stereo analog audio and USB 3.2 Gen 1 ports provide excellent I/O speed to meet most requirements. For your convenience, there is also a buzzer sound effect for operation confirmation.

It supports not only the mainstream but also the latest PC graphics cards for multiple monitor setups to extend your desktop and expand the work area across displays, which help enhance productivity and is ideal for content creators, graphic designers, CAD and CAM designers, and users in educational and financial institutions to work efficiently.

HDMI2.0 and HDCP 2.2 Compliance.
Resolution up to 4K60Hz 4:4:4.
4 computers / laptops share one set of keyboard, mouse and 2 monitors,one audio, microphone.
4 monitors output support up to 4K@60Hz for extended, mirrored or spliced display.
Support wired or wireless keyboard and mouse.
Cross support most major OS including Windows, Linux, Mac.
USB 3.2 Gen 1 Provides Excellent 5Gbps Speed.
Supports Hotkey switching, manual button switching.
With the computer graphics card, it can support three display modes: extended display, mirror display and splicing display.
Plug-and-Play without Software or Driver.