How to know if my laptop has an HDMI Input or Output - Quora
ANDYCINE AC-U3H41 4K 30P HDMI Input/Output to 1080 60P USB 3.0 Video Capture with Mic for for vloggers, streamers, gamers, teachers, company meetings, etc.
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HDMI splitter vs. HDMI switch: They actually serve opposite purposes - CNET
54179 - HDMI Output to DisplayPort Input Converter
HDMI Switch 2 Input 1 Output - Audio Video Switch and Splitter - Audio Video