Animals in the bedroom, sorry but that is just a No! from me, but we've searched all the rooms & it still hasn't turned up, if they had both gone I would have put it down to me forgetting where I put them, but only 1 missing & the other on the floor is damn suspicious.Look under the bed.
One of our cat steals ear plugs - she runs off with them to play with them. They end up all over the place.
I think he may have a hearing aid in his kitty!I hope you have plenty in your kitty,
If the battery was the battery still in the aid and the aid is in the cat, it could well be poisoned.
You will be looking at at least £60 for the nhs to replace it,that's if it is an nhs one.I hope you have plenty in your kitty,otherwise it could be catastrophic.
Have you looked down or felt down inside the settee? It is amazing what treasures you can find that has slipped down there!