Other than the fact that you can use voice communication gear with a full face mask what are the other advantages? ...and disadvantages.
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WIth the new oceanreef you can use a cellphone underwater
NOt something I would want, but maybe.....
Alot of Public Safety dept. use them with the comms. I have sold a few to people with Cleff Pallats(spelling) due to alot of leaking with a traditional mask& reg......Depending on which one you get, it might take some tiem to figure out clearing it...some are just like a mask. They are great for Ice DIving too
I had one tech Instructor that wanted to use it communicate with the other students, they would just wear an ear transmitter to hear....
You listed some of the pros and cons yourself, depending on the diving your doing there could be more