Features 1、Metal flexible boom to allow you to adjust the direction and angle according to your need. 2、Uni-Directional pickup design can effectively reduce the noise of the surrounding environment. 3、Ear hook design for better use. Specifications: It is designed for use on stage, houses of worship, presenters, lecturers and other situations requiring minimum microphone with hand-free operation. Features: Metal flexible boom to allow you to adjust the direction and angle according to your need. Uni-Directional pickup design can effectively reduce the noise of the surrounding environment. Wireframe headset fits securely for active speakers and vocal performers Works with voice amplifier. Headset style microphone with 3.5mm male connection. Specifications: Polar Pattern: Uni-Directional Sensitivity:-53dB ± 1dB Frequency Response: 20-20KHz Output Resistance: ≤680Ω Working Power: DC 1.0V-10V SNR: ＞28dB Cable Length: Approx.95cm / 37.4in Plug Type: 3.5mm Item Weight: Approx.19g / 0.7oz Package Weight: Approx.20g / 0.7oz Package Size: Approx.20 * 17 * 2cm / 7.9 * 6.7 * 0.8in Package List: 1 * Microphone Package List 1 * Microphone