Lavalier microphones are divided into two types: wired lavalier microphones and wireless lavalier microphones. At present, most of the market is based on wireless. The wired lavalier microphone is mainly suitable for speech, stage performances, and television, radio and other occasions. The wireless lapel microphone is suitable for large-scale mobile conferences, recordings, public communication, outdoor lectures, lectures, etc. The wireless lapel microphone set mainly includes a miniature lavalier microphone, a bodypack transmitter, and a receiver. .