3M Peltor Comtac VI NIB Hearing Defender Headset w/IHPS Attachment Coyote Brown MT20H682HPS-09N CY. With noise-canceling microphones high fidelity speakers and advanced digital signal processing the ComTac VI headset provides a premier listening and communicating experience both in and out of noise. Specifications for 3M Peltor Comtac VI NIB Hearing Defender Headset w/IHPS Attachment: Manufacturer: 3M Color: Coyote Brown Features of 3M VI NIB Hearing Defender Headset w/IHPS Attachment Advanced environmental listening modes (Mission Audio Profiles or MAP) that optimize the auditory experience based on specific external conditions Environmental microphones for level-dependent hearing protection and auditory situational awareness Helps provide hearing protection when exposed to hazardous noise;NIB (Natural Interaction Behavior) wireless technology enables peer-to-peer headset communication Protective communication solution for clear communication in noisy environments Rugged 3M PELTOR Design for trusted performance Water and dust-proof noise-cancelling microphone (IP68) for clear speech transmission in noisy and harsh environments Package Contents: 3M VI NIB Hearing Defender Headset w/IHPS Attachment 3M MT20H682HPS-09N CY: VI NIB Hearing Defender Headset w/IHPS Attachment Coyote Brown