The Audio-Technica AT831b Lavalier-Microphone Cardioid is a high-quality microphone designed for professional audio recording applications. With a cardioid polar pattern, this wired microphone is perfect for capturing clear and focused sound, making it ideal for use in interviews, recordings, and live performances. Its sleek black design adds a touch of style to any setup, while the reputable Audio-Technica brand ensures exceptional audio quality and durability.