The Sony ECM-322BC Headworn Microphone is well suited for professional presentation, lectures, workshops and more. The lightweight headset features a comfortable form-fitting design with a slim profile for an inconspicuous look. The highly sensitive capsule features a wide frequency response and omnidirectional polar pattern for a generous pickup area without noise. The ECM-322BC may be worn on either the right or left ear and an adjustable boom provides flexible microphone placement. The cable features a Sony 4-pin connection (SMC9-4P) for use with Sony WL-800 Series wireless bodypack transmitters.