The only USB-C adapter that lets you use dual monitors (in addition to the laptop monitor). I connect my VGA to these and my HDMI can go straight to the laptop. Other adapters I've tried allow dual monitors but only mirror the main monitor. This allows for an expanded display.
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)
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