3M 7100203636 is a wired earmuff-style hearing protection device designed for neckband suspension. With an attenuation rating of 24 dB, it effectively reduces external noise levels. It features an external audio input for communication purposes, with two-way communication direction and compatibility with external 2-way radios. The product is lightweight, weighing 275 g, and is equipped with a dynamic microphone for clear communication. It is CSA Class A certified and includes an auxiliary port (FLX2) for additional audio options. Intrinsically safe technology is not included.