Telephone Headset, Microphone Yes, Color Black, Noise Cancelling Yes, Product Type Double-Ear Headset, Connectivity Wired, Compatible with Grainger Part Number 29WJ78, 29WJ81, Ear Type Over-the-Ear, Standards Not Applicable, Volume Control No, Cord Length 5 ft, Connector Type 2.5 mm Stereo Male, Resistance Properties Not Applicable, Includes Headset, Instruction Manual.
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