3M™ PELTOR™ H540A Optime™ III Earmuff (SLC80 33dB, Class 5) upsell_isotunes-trilogy-foam-replacement-tips-5-pair-pack a noise-reducing inline microphone for

a noise-reducing inline microphone for voice calls

Charging / storage case

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thanks to its striking blue colour and metal ball

3M™ PELTOR™ H540A Optime™ III Earmuff (SLC80 33dB, Class 5) upsell_isotunes-trilogy-foam-replacement-tips-5-pair-pack a noise-reducing inline microphone forThe 3M PELTOR H540A Optime III Earmuff has been developed for effective hearing protection in the most demanding noise environments where noise exposures are expected to reach as high as 105 dBA. Features unique double shell earcup design (two cups connected via foam inner layer) to boost the noise reduction throughout the full range of low and high frequencies Durable stainless steel headband resists bending and warping and distributes weight for a