The Boyar by-MM1 is a cardioid microphone , which specially design to improve the sound quality of videos on the basis of build-in microphone. With both TRRS TRS cable and output cable included, it can be used on Smartphones, cameras, camcorders, audio recorders, PCs, and other audio / video recording devices. SC-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 to worry the battery status. The included anti-shock mount effectively reduces unwanted vibration, cable and handling noise.