About The Product 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. 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 to worry the battery status. The included anti-shock mount effectively reduces unwanted vibration, cable and handling noise. Features 1. Compact on-camera microphone. 2. Compatible with smartphones, DSLRs, Consumer Camcorders, PCs etc.. 3. Rugged metal construction. 4. No battery required. 5. 3.5mm TRS and TRRS connection. 6. Professional furry windshield included.