IC and BOYA microphone Heart-shaped MM1, specially designed to improve the sound quality of videos based on built-in microphones. With a TRS cable and a TRS output cable included, it can be used with smartphones, cameras, camcorders, audio recorders, computers, and other audio/video recording devices. The BOYA BY-MM1 microphone comes with compact size and lightweight aluminum design, it will not be a heavy burden during shooting. With plug and play design, you don't need to worry about the battery condition. The built-in shock mount effectively reduces unwanted vibrations, cables and handling noise.