1. Omni-directional microphone core, only noise reduction, pure sound pickup 2. Dual mode, simple operation, you can switch the sensitivity function and pass-through/noise reduction function at will 3. No battery, plug and play 4. Durable tensile wire, internally composed of 36 shielded wires 5. Suitable for multiple scenarios: interview recording, conference speech, live broadcast, classroom teaching, etc. 6. Monomer: back-polar electret 6. Frequency response: 30Hz-20KHz 7. Sensitivity: -32dB+-3dB 8. Interface: 8 Pin 9. Directivity: Omnidirectional 10. Equivalent noise level: 22dB A 11. Maximum sound pressure level: 130dB 12. Output impedance: 2.2KOhm+-30% 13. Line length: 6m Specification: Package Weight One Package Weight 0.13kgs / 0.29lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch Qty per Carton 100 Carton Weight 12.30kgs / 27.12lb Carton Size 53cm * 42cm * 32cm / 20.87inch * 16.54inch * 12.6inch Loading Container 20GP: 374 cartons * 100 pcs = 37400 pcs 40HQ: 869 cartons * 100 pcs = 86900 pcs