RMN4055 - HT Series Listen Only Over-The-Head Headset with 3.5mm NON threaded connector
Motorola RMN4055, RMN4055B Receive-only Dual Muff Headset for use with Remote Microphones with a 3.5mm Non-threaded Jack
New HT Series listen-only over-the-head style headset has a short cable designed to plug in to the head of the microphone when it is at or near your shoulder.
Ideal for high-noise noise environments. Provides 25 dB NRR. Includes a right angle non-threaded 3.5mm plug.
Compatible with any remote speaker microphone with 3.5mm non-threaded connector
Manufactured by 3M Peltor (HTM79A-34) for Motorola
12 month warranty by Motorola