Jim, >From what you say it sounds like these protectors are not electronic? no batteries? is that correct?
I wonder if they are signifficantly better than good foam ear plugs with a head band/ What do they cost? Thanks Tom
Jim, >From what you say it sounds like these protectors are not electronic? no batteries? is that correct?
I wonder if they are signifficantly better than good foam ear plugs with a head band/ What do they cost? Thanks Tom