I work in a very noisy enviroment, if I use one of this earbuds would they protect me from this noise? or what do they do? Can I listen to music and at the same time cancel all the external noise? or if I use them with out listening to music it would block all the external sound?, any help will be apreciated.What noise isolation means in some earbuds?
try these
http://www.pilotstuff.com/as.noise_prote鈥?/a>
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