The microphone is designed with a soft mic structure which is more durable and can achieve 120 degrees rotation.Specifications: Model: ONIKUMA K1Speaker Diameter: 50mmImpedance: 20ohm±15%Sensitivity: 117dB±3dBFrequency: 20-20000HzMic Dimension: 6.0 * 2.7mmMic Sensitivity: -36dB +/- 1dBMic Impedance: 2.2kohmDirectivity: Omni-directionalLED Working Voltage: DC5V +/- 5%Working Current: Below 100mAHeadset Interface: 3.5mmCable Length: Approx. 1.2mHeadphone Size: Approx. 21.5 * 9.5 * 19.5cmHeadphone Weight: 311gPackage Size: 22 * 10* 20cmPackage Weight: 417g