A:AnswerIf you put the side that you are not using back into the charge case and close the lid, the headphone that you are using will still work in your ear.
A:AnswerLost one on a bike ride after two weeks. Useless landfill litter now. Sound is average, feedback in ambient monitor mode is a joke, buttons rare nearly impossible to reliably use. Pure junk and hype.
A:AnswerI fell asleep from like 9pm and woke up around 6am and the headphones were still on and the phone call was still going. So that's over 5 hours and didn't die.