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This is the IR blaster for the remote
Sorry, there was a problem. Please try again later.Thanks for the question! If you are referring to the IR(infrared) blaster of your LG C2 42 Inch Class 4K OLED evo w/ ThinQ AI (OLED42C2PUA), this is a gadget that accepts input from your remote and "blasts" it via infrared to the IR-compatible TV. Here is a link on where to plug it in: https://www.youtube.com/watch?v=jAv31r4HExw ^Jolly
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