One versatile device that lets you connect two HDMI sources to one HDMI display or switch between two HDMI displays using one source is the UGREEN HDMI Switch 4K 60Hz HDMI Splitter Bi-directional Switcher. It has auto-switching for convenience and supports 4K resolution at 60Hz for high-quality video and audio transmission. This small switcher has HDMI ports, indicator lights, and an optional remote control for convenience. It can be used with a variety of HDMI sources.