3.5mm External Microphone Mic for Car DVD Radio Laptop Stereo...

3 m (9 Feet) length cable for long distance transmission, microphone can be picked up from the clip for the best sound effect
Adopting electret condenser cartridge with high sensitivity , low impedance , anti-noise and ant jamming capability.
With fast and accurate data transmission, which could guarantee the voice clearly and stably under kinds driving occasions.