Shure WL183, Condenser lavalier microphone, Modular design with interchangeable electret condenser capsule, Directional characteristic: Omnidirectional, 4-Pin mini XLR (TQG) connector for wireless applications, Frequency response: 50 Hz - 17,000 kHz, Output impedance: 1.8 kOhm, Open circuit sensitivity: -45.5 dBV/Pa (10 mV), Max. SPL (sound pressure level): 130.5 dB, Inherent noise (equivalent noise level): 28.0 dB (A), Power supply: +5 V (1.5 - 10 V), Cable length: 1.2 m, Dimensions (L x Ø): 22 x 12 mm, Colour: Black, Includes a windscreen that controls breath noise, 2 different clip-on tie pins and a bag