3m Car GPS Navigation HD Sound Quality External Microphone, Specification: Straight Plug(3.5mm Mono)

1. Frequency response: 16Hz-20KHz 2. Impedance: 2.2 kilohms 3. Microphone size: 9.7X4.5mm 4. Sensitivity: -32dB (0dB=1Pa) 5. Directionality: omnidirectional 6. Plug: straight; elbow 7. Sound channel: 2-pole mono 8. Wire diameter: 2.5mm/2-core shielded wire 9. Applicable: car navigation microphone, car Bluetooth voice call, car GPS monitoring 10. Cable length: 3 meters 11. Weight: 40g