The BOYA BY-MM1 Is A Cardioid Microphone, Which Specially De

The boya by-mm1 is a cardioid microphone, which specially design to improve the sound quality of videos. on the basis of build-in microphones. with both trs cable and trrs output cable included, it can be used on smartphones, cameras, camcorders, audio recorders, pcs, and other audio/video recording devices.