23/06/2018
..Noise doctor hearing protection earplugs reduces the sound
level while preserving same sound quality..Product contains metal carrying case and 21dB Noise
Reduction Rating filters and 2 shall sizes to fit most of the ear.This high fidelity ear plugs not block all the sound, this is
especially designed for music lovers to protect hearing at the
same time they can experience the full spectrum of sound.
https://www.amazon.com/s/ref=nb_sb_noss?url=me%3DALXBZH5V1FLXS&field-keywords=earplugs