Product Description
This product is made of high-elastic high-strength high-quality spring steel bow neck ring, soft headband, near-speaking anti-noise transmitter, moving coil loudspeaker, noise canceling no magnetic field earmuffs, waist hanging switch box, air tube, sound concentrator, waterproof plug and metal shielded cable and other components.
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Shanghai Zhongchangjiang Telecommunication Technology Co.,Ltd. All Rights Reserved.
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