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Specifications: Product Model: XXD-U010 Cable Length: 1m Port: 3.5mm audio port Mic Core Size: 9.7 X 5.0mm Sensitivity: - 52db±2dB 20-20KHz Output Impedance: ≤680Ω Working Voltage: 1.0V-10V SNR: ＞55dB Compatible Situations: interview, recording, stage, KTV, camera, meeting, computer and broadcasting Product Weight: About 38g Color: Black Features: Flexible and light weighted design to optimize microphone positioning for a better long time use. 5mm uni-directional ultra-micro condenser mic core enables a effectively fast and pure audio transmitting with a rich low frequency, a powerful medium frequency and a soft high frequency sound; Elaborate craft is adopted, suitable for singing, interview host etc. Ergonomic design: 270° flexible spinning angle makes it comfortable to wear; you can hang the steel ear-hook on your ears, steady and cozy even when wearing a pair of glasses. Included: 1 X Head-mounted Microphone