Seems pointless and inconvenient for me as they usually seem to be poor quality, and can you really listen to music in the shower, and are you showering long enough to benefit from it?
Or do you own one and use for a different purpose, like swimming or Kayaking?
I have several JBL speakers that are awesome. I listen to music and podcasts in the morning while I get ready. Bring it into the shower, carry it around the house, take it hiking. Can’t go wrong with a decent Bluetooth speaker.
I have 3 Google home products ( varying sizes) that sync music across the kitchen/living room, bathroom and bedroom. it makes fora. great listening experience.
I ran rca jacks throughout the house. These are connected to a distribution amp. Then I have cheap PC speakers plugged into that from the main receiver. This is structured wiring so they can be changed to Ethernet if necessary.
Usually I listen to the news in the morning while showering.
Another way to do it is make dongles for unused phone jacks. Just make sure they aren’t plugged into the Telco as a landline.
Since my phone is water resistant, I put a magnetic mount in the shower to listen to music, podcasts, and the occasional Teams meeting if I’m running late.
A Teams meeting!? I wish I was as brave as you. I’m not even brave enough to poop while listening to a Teams call, much less showering. I’m terrified they’ll call me out and I’ll either have to unmute at the worst possible moment or stay muted and have my boss assume I’m not paying attention.
If I showered during a meeting I would be paranoid about somehow magically turning on my camera.