This headset microphone is designed for use with an E-FLEX bodypack transmitter. It features a condenser capsule with a cardioid polar pattern and a frequency response of 20 to 16,000 Hz. The microphone is powered at 1 to 5 V and connects via a three-pin female Mini XLR connector. It has an attached 1.25 m cable, a metal and plastic housing, a black finish, an impedance of 680 ohms, and a weight of 0.03 kg.