Conference Microphone Sensitivity: -58dB +/- 2dB Plug: 3.5mm stereo plug Cable Length: 1.5m-3m Flexible microphone tube dynamic microphone capsuleConference System Chairman Unit BH-5010/ Delegate Unit BH-5010A Capacity of 64 unitsController with AUX input, output and TEL input, MIC input with volume controland master volume controlController built-in audio processorSupport free discussion, turn ...