There are even already explanations all across the internet on how to drill precisely through it to damage the speaker.
The airtags are by far the best tracking devices ever created and can let you locate your tag with tenth of a metre accuracy on a coin cell battery that lasts 1 year.
They get smaller and better the more you pay. Gps cell trackers are cheap and prolific
Seems to require the extended battery if you want 6 months life and that, as best I can tell, is another $60 and HUGE because it's also a waterproof box with magnet. Plus there's $20 a month cellular fees on top.