Electret headset microphone designed for use with the PSSO WISE bodypack transmitter. It features an omnidirectional polar pattern, a 100–20,000 Hz frequency range, sensitivity of -45 dB, and a signal-to-noise ratio greater than 58 dB. The microphone has a 1.5 m cable terminated with a 3-pin female Mini XLR connector. It operates on 2–10 V DC and has a skin-colored metal construction with a 0.35 cm capsule diameter.