Bluetooth mod

I love the fact that the classic connect is simple plug and play, but i don’t like the look of the cover nor the need to glue it on.

Since I have been out of the iPod game for a few years and now getting back inn modding my old teenage iPods (video and 7th gen) I’m looking to add BT and USB-C.

What are the best ways to do this now on 2025?

Anyone have experience with adding the moonlit-version to an original backplate? Other solutions?

I want to keep the headphone jack and old connector operational.

Thanks!