FingerLakes 3.5mm Microphone Assembly Mic for Car Vehicle Head Unit Bluetooth Enabled Stereo Radio GPS DVD Adopting electret condenser cartridge with high sensitivity , low impedance , anti noise and ant jamming capability , Aftermarket microphone works with most car radios with 3.5mm Mic input. With fast and accurate data transmission, which could guarantee the voice clearly and stably under kinds driving occasions, Includes Dash Mount & Visor Clip. Wire Length 3 M (9 Feet)