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://amzlink.to/az0uZD6Yf2LJe
Basicolor 4 Port KVM Switch