35mm Microphone Assembly Mic for Car Vehicle Head Unit Bluetooth Enabled Stereo Radio GPS DVD

External Microphone Assembly For Car Radio Head Units With 3.5mm Input. Includes Microphone With 3M Cord, Visor Clip, Dash Mount & Foam Filter. 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