Khoom Piav Qhia
Ua kom muaj kev tiv thaiv cov suab nrov uas muaj kev sib tw ua npuas ncauj,
Tus tsim qauv taper haum rau feem ntau pob ntseg canals, nthuav dav cov khoom siv rau kev tu cev thiab kev ua npuas ncauj, ua rau lawv muaj haum rau ob leeg thiab siv tau {}}
Nta
1.} NRR 32DB cov suab ceeb toom txo
{{02. muag muag, qis-siab pu ua npuas ncauj rau kev nplij siab
3. Siv tau cov khoom lag luam ib tus kheej
4.}} fits feem ntau pob ntseg canals - universal tapered puab
{{05. ce, Ansi, thiab EN352 ua raws
6. Zoo meej rau kev lag luam, thiab cov chaw puag ncig siv cov qauv ua npuas ncauj siv hluav taws xob ua kom zoo nkauj {2}