A:AnswerWell if your using both of them at the same time then you might want to wait 10 to 20 minutes and keep the case charging before removing the AirPods but if your using them one at a time leave them in for 30-40 minutes.
A:AnswerI just tried the NC on mine, and they’re working fine. No static noise, I even tried adjusting the volume. Take them to apple if you bought the warranty.
A:AnswerMy airpod was dead but I left my case at home, I tried to let it charge in my friends 2nd gen pro case with no usb-c. it worked but it takes longer for it to charge because the case are slightly smaller then one another.