1. Ic Model: Noise Reduction Bbh621 2. Cord Length :1.7M 3. Mic Sensitivity : -32±3Db 4. Frequency Response: 100-16Khz 5. Mic Type: All Points 6. Mic Dimension: Ø6.0×5.0Mm 7. Mic Impedance: 2.2Kω 8. Mic Test Voltage : 2V Dc 9. Size Microphone Size: 165*90*90Mm 10.3.5Mm Audio Jack