Oops - I thought there was a third port. Two, in and out, make more sense.

Hi, total board newb here... The Tempotec works with Google's Pixel 5, which is remakable. Not every 3.5 mm / USB dongle does that. Probably it relates to active electronics on the USB side. Some work with all Pixels except the 5. Based on this thread, I think the Tempotec unit is almost the...