Seattle Sports E-Merse Dry Audio Case With a built-in Audio/Microphone capable jack, the Audio E-merse is perfect protection for Smartphone users, who need to use their phone for music or hands-free talking. Simply open the case, attach your phone to the built in cord, then plug your headset in to the exterior jack. If closed properly, these lightweight cases are submersible to ten feet for maximum on the water protection. All our E-merses feature quick, easytouse slidelock seal and an additional Ziplocstyle closure, for double the protection. A tough polyurethane body has built in windows for viewing screens and better visual access. Talk, type or text through all of our E-Merse products, no need to take the phone out of the case.