Time to buy a lottery ticket! 🤣🤣

That is the best promotion a headphone can get :-) Which headphone are you using?

Most likely the washing machine killed them and the dryer brought them back.

Seriously, the last step in electronics manufacturing is often to put circuit boards through what's essentially a dishwasher to wash the flux residue off them. If you can dry it off quickly, water doesn't harm most circuits.