A:AnswerAre you recharging the charging case fairly regularly? If so, track how quickly it drains. Apple has had battery issues with their products - as have other manufacturers. It happens…
If the charging case loses its charge to quickly, call Apple Support. If the set is still under warranty or you have AppleCare, Apple will honor it and exchange the case.
A:AnswerThey are sweat proof, so I feel as if the sauna would fall under the category of that since they will not be submerged in water. I think the only thing to be weary of is the headphones shutting off after to long of heat exposure, they will come back on after they cool down. I’ve used about 10 different headphones and earbuds, including water proof Sony, and this seems to be the case with them all.
A:AnswerThere is an Apple Limited Warranty that comes with all Beats products. It covers the Beats and any accessories that come in the box. It’s guaranteed for 90 days after the purchase.