3M 7100153092 is a wireless neckband-style earmuff with an attenuation rating of 28 dB. It features Bluetooth communication for easy connectivity, as well as an auxiliary port and external audio input. The built-in two-way radio allows for efficient communication, and with a battery life of approximately 11 hours, it can last through long work shifts. The earmuffs also have a level-dependent function for ambient listening and are intrinsically safe. With a net weight of 16.8 oz, they provide comfortable and reliable hearing protection.