3M Personal Safety, MT73H7A4D10-, Peltor LiteCom PRO III Headset - HeadbandFeaturesBuilt-in programmable two-way communication radio allows for clear, hands-free communication in high levels of noise without cumbersome cables or cords.The headset can be programmed to use up to 70 unique two-way radio channels using analog and/or DMR digital modulation.Simultaneous, seamless connection to multiple external devices using Bluetooth® technology.Designed by 3M PELTOR and built tough for the working professional.Noise attenuating ear cups help provide hearing protection in environments with potentially hazardous noise.Environmental microphones for level-dependent hearing protection and ambient listening.Noise-cancelling waterproof speech microphone with voice operated transmission (VOX) for hands-free operation; helps provide clear communication in noisy and demanding environments.External jack allows you to connect to a smart phone, radio, shoulder mic, or other external device.User-friendly controls with voice-guided menu..3M™ PELTOR™ WS™ LiteCom Pro III Headset is a hearing protector with built-in analog and digital programmable two-way communication radio, level-dependent hearing protection, Bluetooth® functionality and a jack to connect to external devices.The analog and digital two-way radio enables clear, hands-free communication in high levels of noise and integrates seamlessly into your existing two-way radio system. And with Bluetooth® multipoint functionality, workers can be wirelessly connected to two mobile devices. Plus, workers stay protected, aware and able to communicate face-to-face while never removing their hearing protection through level-dependent functionality. And all of this technology is combined with the professional-grade durability and all day wearability you've grown to expect from PELTOR™.