the t.bone HeadmiKe - O EW, Headset Microphone, Lightweight condenser headset microphone, With two ear hooks, Left/right adjustable, Polar pattern: Cardioid, Frequency range: 50 - 20,000 Hz, Sensitivity: 3.8 mV / Pa, -48.5 dB re 1 V / Pa, Maximum sound pressure level: 115 dB, Impedance: 750 Ohm, Sennheiser EW plug, Cable length: approx. 120 cm, Colour: Beige, Includes cable clip, Optional replacement windscreen: Article Nr #355914# (not included)