My daughter's Chromebook only has a USB-C port, which is needed for the power cord. I wanted to connect an external monitor to it. This adapter helped.
USB to USB Type-C adapter
18 Review
Cable Matters USB C to HDMI Adapter - 4K 60Hz, 60W Charging, Thunderbolt 4 Compatible for MacBook Pro, iPad Pro
12 Review
Cable Baseus Cafule USB - Lightning, 1 m, black/red
26 Review
4K / 30Hz USB-C to HDMI Adapter - 3-in-1 Type-C Converter Cable for MacBook Pro, MacBook, Mac Pro, iMac, Chromebook, and USB 3.0 Type-C Devices (2017/2018)
13 Review