The boya by-lm8 pro lavalier microphone for by-wm8 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. In addition, this lavalier microphone has a lockable 3.5mm mini-jack plug that prevents the cable from being accidentally pulled out of the transmitter when moved. The wireless frequencies are 556.71 mhz-575.98 mhz and 576.39 mhz-595.66mhz. Use boya by-lm8 pro lavalier microphone for by-wm8 pro this lavalier microphone can be used as a replacement microphone for the boya by-wm8 pro series. Specifications for lavalier microphones: - type: condenser microphone - directional characteristic: omnidirectional - frequency range: 35hz-18khz - signal-to-noise ratio: 74 db - sensitivity: -30db +/- 3db / 0 db = 1v / pa, 1 khz - connection: 3.5 mm mini-jack lockable - length: 1.2 m