Amazon.com: Anker USB C to Dual HDMI Adapter, Compact and Portable, Supports 4K@60Hz and Dual 4K@30Hz, for MacBook Pro, MacBook Air, iPad Pro, XPS, and More [Compatible with Thunderbolt 3 Ports] :
Amazon.com: HYRTA USB C Dock for Surface Pro 7, 11 in 2 Surface Pro 7 USB C Docking Station, Surface Pro 7 Accessories Dual Monitor Display USB Hub, with HDMI VGA PD3.0
ANTSIG : How to Connect a 3 way HDMI Switch - YouTube