Built-in programmable two-way communication radio allows for clear, hands-free communication in high levels of noise without cumbersome cables or cordsHeadset is available in headband, neckband, and hard hat attached configurationsThe headset can be programmed to use up to 70 unique two-way radio channels using analog and/or DMR digital modulationSimultaneous, seamless connection to multiple external devices using Bluetooth® technologyNoise attenuating ear cups help provide hearing protection in environments with potentially hazardous noiseEnvironmental microphones for level-dependent hearing protection and ambient listeningNoise-cancelling waterproof speech microphone with voice operated transmission (VOX) for hands-free operation; helps provide clear communication in noisy and demanding environmentsExternal jack allows you to connect to a smart phone, radio, shoulder mic, or other external devicesUser-friendly controls with voice-guided menu