3M 7100195961 is a protective communication device that offers helmet-mounted hearing protection with an attenuation rating of 26 dB. It is equipped with a wireless Bluetooth® connection and features earmuffs shape for comfort. With a CSA Class A certification, it is suitable for various industries. The battery life is 45 hours and it can be powered by AA batteries or a rechargeable NiMH pack. This device is compatible with Icom, Kenwood, Motorola, and Sepura radios, providing two-way communication. Additionally, it has external audio input and level-dependent function for ambient listening. Weighing 400g, it is a lightweight option with excellent noise attenuation.