External Microphone Assembly For Car Radio Head Units With 3.5mm Input.
Technical Details:
Polar pattern: Omni directional 3.5mm connector
Sensitivity:-30dB+/-2dB
Frequency Range: 50Hz-20KHz
Output Impedance: ?2.2 k? SNR: >58dB
Standard Operation Voltage: 4.5V
Operation Voltage: 1.0V-10V.DC
Wire Length: 3 m (9.84ft)
Package content:
3x 3.5mm Hands Free Computer Clip on Mini Lapel Microphone