Convert RJ9/RJ10/RJ22 Headsets to most smartphones with 3.5mm Headphone Jack
Compatible with 3.5mm jack for Apple, Android, Windows, Blackberry, or other Smartphone.
Through the product transfer, you can use the RJ9 interface to transfer the home phone microphone to the mobile phone. Extension Cable Adapter 3.5mm Male Jack to RJ9 4P4C Female Converter Wire for Cisco Telephone
Used for the transfer for CISCO telephone.
NOTE: Does not work with RJ11.
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