3M 7100205729 is a protective communication product that falls under the category of hearing protection. It is designed as earmuffs and provides a 24 dB attenuation rating. These wired earmuffs feature a neckband for convenience and have a net weight of 282 g. They support external audio input for communication purposes and come with a two-way communication direction. The product is also equipped with an auxiliary port (FLX2) and allows communication via an external 2-way radio. The microphone class/type is dynamic. With all these features, 3M ensures top-quality protective communication products.