BOYA BY-MM1+ Black Smartphone microphoneThe BOYA BY MM1 is a cardioid microphone, which specially design to improve the sound quality of videoson 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. BOYA BY MM1 comes out in compact size and light weight aluminum design, it will not be a heavy burden while shooting. Plug and play design, no need