Irovami Uni-Directional Head-mounted Headworn Headset Ear-hook 3.5mm-Mini-Jack Microphone

👀 Designed for use on stage, church, presenters, lecturers and other situations requiring minimal microphone with hands-free operation. / /Specification: /Polar pattern: unidirectional /Sensitivity: -53dB ± 1dB /Frequency Response:20-20KHz /Output Impedance: ≤680Π/Working power:DC 1.0V-10V /Signal-to-noise ratio:28dB /Cable length: about 95cm / 37.4in /Plug Type:3.5mm /Product weight: about 19g / 0.7oz /Package weight: about 20g / 0.7oz /Package size: about 20 * 17 * 2cm / 7.9 * 6.7 * 0.8in / /Package Contents: /1 * Microphone