The boya by-lm4 pro lavalier microphone for by-wm4 pro is a small, handy microphone that you can use for various purposes. The microphone is equipped with a clip-on terminal that allows it to be easily attached to clothing, for example. This lavalier microphone has a 3.5mm mini jack plug and has a cable length of 1.2m. Use boya by-lm4 pro lavalier microphone for by-wm4 pro this lavalier microphone can be used as a replacement microphone for the boya by-wm4 pro series. Specifications for lavalier microphones: - type: condenser microphone - directional characteristic: omnidirectional - frequency range: 35hz-14khz±3db - signal-to-noise ratio: 84 db - sensitivity: -90db +/- 3db / 0db=1v/pa, 1khz - connector: 3.5mm mini jack plug - length: 1.2m