Mack's Flightguard ear plugs are designed for comfort

especially during extended use but also maximizes the effectiveness of the High-Fidelity Filters

Earbuds battery: Earbuds: lithium-ion 17mAh

And since they're available in three sizes

The innovative shape of the uvex hi-com earplugs reduces the level of sound that normally builds up in the inner ear when wearing hearing protection

Box - Uvex Hi-Com Fawn Disposable Uncorded Earplugs (200 Pairs | SLC80 16 dB, Class 2) NRR_22 Mack's Flightguard ear plugs areThe innovative shape of the uvex hi com earplugs reduces the level of sound that normally builds up in the inner ear when wearing hearing protection. Integrated cavities result in a larger surface area in the direction of the eardrum. The earplugs provide softer acoustics and absorb disruptive noises which allow excellent speech perception. Features Earplugs with low sound absorption and excellent speech perception Fawn coloured SLC80: 16 dB, class 2