This accessory headset condenser microphone is designed for OMNITRONIC FAS bodypack transmitters. It uses an omnidirectional polar pattern and a 3 mm condenser capsule, with a frequency range of 20 to 18,000 Hz for speech transmission. The microphone has a 1.0 m integrated cable with a 3.5 mm stereo jack, 680 ohm impedance, metal construction, a skin-colored finish, and a weight of 0.02 kg.