DPA 4166-OC-F-F03-LE, Condenser Single-Ear Microphone, Frequency range: 20 - 20,000 Hz (± 2 dB), Dynamic range: 97 dB, Directional characteristic: Omnidirectional, Max. SPL (sound pressure level): 144 dB, Total Harmonic Distortion (THD): <1% up to 123 dB SPL peak, Plug-in cable, Easily adjusts to fit any ear size and head shape, Total weight: 8.5 g, Cable length: 1.3 m, 3-Pin LEMO connector for Sennheiser wireless systems, Colour: Beige