Review on 🔌 2 Pack USB C to Mini DisplayPort Adapter, 4K 60Hz USBC Male to Mini DP Female Converter, Thunderbolt 3 Compatible for MacBook, Mac Air, iPad, Surface Book Pro 7, XPS 15/13 by Steve Lawrence

This creates a Mini DisplayPort and as the description says it is NOT a Thunderbolt 1/2 port. You cannot use this to connect to Apple Thunderbolt Display or other Thunderbolt devices. However, I needed this for an adapter that didn't actually need Thunderbolt circuitry, and it worked GREAT! (Astropad's Luna Display Adapter, if you're interested.) So if you know what your needs are, it's awesome and one hell of a download.