AUTOLOVER 3.5mm Portable Car External Microphone Mic DVD Radio Laptop Stereo Player Head Unit with 3m Cable Plug and Play The new revamped design gives you better quality sound during transmission, Highly improved the speech quality of hand free car kit communication system. 3.5 mm standard plug, plug and play; 3 m length cable long distance transmission. Microphone can be picked up from the clip for the best sound effect. This Car Stereo Microphone With fast and accurate data transmission, guarantee the voice clearly and stable under kinds driving occasions. This Lapel Microphone Adopting electret condenser cartridge with high sensitivity , low impedance, anti-noise and ant jamming capability. The Microphone Set Adopting humanity design with U shape fixing clip is more easy to install and reliable to use. The microphone can be glued with the sticker to the wall, glass, car, door, etc.