Basicolor 4 Port KVM Switch

https://youtu.be/LBKmRVzQp_A

Basicolor KVM Switch HDMI 4 Port, UHD 4K@60Hz HDMI and USB Switcher for 4 PC Share Keyboard Mouse Printer and one Monitor, Support One Button Switch, with 4 KVM Cable and 5 HDMI Cable (HSV581) (Amazon Affiliate)
US: https://amzn.to/3jTM4Ya