The COMICA SIG.LAV V03 3.5mm Lavalier Microphone is an omni-directional microphone designed for use with cameras, smartphones, and GoPro cameras. It features real-time monitoring with a 3.5mm monitor port, super anti-interference technology for clear recording, and is powered by a CR2032 battery. The microphone can pick up sound accurately from any direction, making recordings clear and pure. It is compatible with smartphones, cameras, and camcorders, and comes with a carrying case, winding plate, and wind muff. The small and elegant design makes it easy to use and transport.