The Cisco Extension Cable for the Performance Microphone offers more versatile placing for microphones in conference and presentation rooms, extending the possible space between room microphones and the conference phone. Measuring 9 metres in length, this extension cable for the performance microphone is compatible with the Cisco Table Microphone, Table Microphone 2 and Ceiling Microphone. * MICROPHONE EXTENSION CABLE: Connect Webex Room microphones to conference phones over longer distances * 9-METRE LENGTH: Offers versatile placement for 36-degree microphones * 4-PIN DESIGN: For use with 4-pin mini-jack cables * COMPATIBILITY: Use this audio extension cable with the Cisco Table Microphone, Table Microphone 2 and Ceiling Microphone * PEACE OF MIND: 9-day standard hardware warranty