Also don't know what to tell you dude. You can see very clearly it's the same make and model.

You can very clearly see it's this device with the prongs taped over.

That's not an airtag. You can clearly see it's this device if you pause.

This is the collar he shows on the video. It is a shock collar. He just taped over the prongs.

Dude, I know that brand of collar because I work with dogs. That's a very common shock collar. He just taped over the electrodes.