3M 7100196045 is a wireless Bluetooth® protective communication headband. With an attenuation rating of 26 dB, it offers reliable hearing protection. The earmuff shape and headband suspension method provide a comfortable fit for most users. It has a long battery life of 45 hours and can use disposable AA or rechargeable NiMH pack batteries. It is compatible with Icom, Kenwood, Motorola, and Sepura radio brands, making it suitable for two-way communication. Additionally, it has level-dependent function for ambient listening and noise attenuating headsets.