Interpreter headset with microphone. Incorporated with interpreter unit for monitoring and speaking. Excellent sound quality. Interpreters can wear the headset according to their habits. One sided wire, provides better user experience. Greater headband adjustability, suitable for all the users. 150 ohms x 2, Ø3.5mm stereo plug (TRS) for headphone. Ø3.5mm stereo plug (TRS, ring: NC) for microphone. Frequency response of headphone of 20Hz to 20kHz.