The OMNITRONIC UHF-300 Lavalier Microphone is a cardioid condenser lavalier microphone designed for use with the UHF-300 bodypack transmitter. It can be attached to a tie, shirt or collar for theatre, product presentations and lectures. The microphone operates at 1.5–10 V and connects through a 3-pin female Mini XLR connector. It has an 80–18,000 Hz frequency range, -53 dB sensitivity, 600-ohm impedance, a 0.9 m cable, metal construction and a black finish.