Kanex USB 3.1 USB-C to HDMI 4K Adapter Converter Cable ku31chd4k for mac Laptop | eBay
OWC USB Type-C to Dual HDMI 4K Display Adapter with DisplayLink
Kanex USB-C to HDMI 4K Adapter (Space Grey)
Anker USB C to HDMI Adapter (4K@60Hz), 310 USB-C Adapter (4K HDMI), Aluminum, Portable , for MacBook Pro, Air, iPad Pro, Pixelbook, XPS, Galaxy, and More
Kanex USB-C Multimedia 4K HDMI USB Charging Adapter for MacBook with Pass Thru | eBay