3 ms·Fully sealed? So no built-in microphone or speaker either?by Reason077 5y agoFully sealed? So no built-in microphone or speaker either?Larrikin 5y agoOpen headphone jacks and ports in a water resistant phone has been a solved problem from Sony for nearly a decade with the Xperia line.Reason077 5y agoLikewise with Apple's water resistant iPhone line. iPhones have been IP67 rated since the iPhone 7, and IP68 since the iPhone XS.