Features: brand new and high quality Provides you better sound quality during transmission, highly improved the speech quality of hand free car kit communication system. Adopting electret condenser cartridge with high sensitivity, low impedance, anti noise and anti jamming capability. 3m (9 Feet) length cable for long distance transmission, microphone can be picked up from the clip for the best sound effect. With fast and accurate data transmission, which the voice clearly and stably under kinds driving occasions. Adopting humanity design with U shape fixing clip, easy to install and reliable to use. Microphone can be glued with sticker to the wall, glass, car, door, etc. Specifications: Polar pattern: Omni directional 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: 3m Type: 3.5mm elbow 2-pole mono, 3.5mm elbow 3-pole stereo, 3.5mm straight head 2-pole mono, 3.5mm straight head 3-pole stereo, 2.5mm elbow 2-pole mono, 2.5mm elbow 3-pole stereo, 2.5mm straight head 2-pole mono, 2.5mm straight head 3-pole stereo (optional) Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Car Stereo/Mono Microhone.