3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided

- Test compatible with 3M™ E-A-Rfit™ Validation System

and effectively protects against environmental effects such as water

making them some of the most comfortable ear plugs you can find

Lithium Ion battery featuring 16+ hours of battery life while streaming

Macks WaxAway Earwax Removal Aid Drops face-to-face 3M recommends reducing the NRRMack's Wax Away Earwax Removal Aid drops for those who just need the drops without the accessories in the kits. One . 5 ounce bottle of drops. The drops might well be all you need, and if you have a kit, this option lets you just buy the drops you need when you run out.