4. What is the decibel noise reduction on these earplugs?
Wish You all the best!
5. Are there 2 sets of the conical plugs, or 2 total including the "free" wax?I only had one each.
You get more: 1 pair or reusable silicone earplugs and 1 pair of wax earplugs as a bonus, that`s right. Sincerely hope, that you enjoyed them!
6. Can I use these while swimming in the ocean?
Yes, these earplugs are designed for all kinds of activity in water
7. When wearing them, do they cause ears to become plugged with ear wax?
I have not had any issue with war was.