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Sennheiser CSTD 08
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Genuine Sennheiser accessoryFor use with Sennheiser headsets Sennheiser CSTD 08 This headset accessory is designed for any standard corded headset with a standard microphone sensitivity level. The cable sports an easy disconnect feature to modular RJ9 plugs, while a coiled cord prevents it getting tangled. It is designed for direct connection to a range of phones from Avaya and Cisco as well as the Plantronics MX10 amplifier.