PMLN5731A PMLN5731 - Motorola Over-the-Head Heavy Duty Headset with Boom Mic

PMLN5731A PMLN5731 - Motorola Over-the-Head Heavy Duty Headset with Boom Microphone, Inline PTT, Noise Reduction 24dB -- Designed for rugged use in noisy environments where hearing protection is required. Headsets include a flexible noise-canceling boom microphone and in-line push-to-talk. Noise reduction rating, 24 dB