A:AnswerNo it doesn't
.the earbuds need to be inside of the case and plugged in to charge. You need to connect them to a USB c charger or the USB c port on your phone to charge up the case
A:AnswerYes, ive used them on my phone, laptop as well as my T.V. with no problems. No complaints from others about any noise escaping the outer earbuds either.