Featuresbrand new and high quality3.5mm standard plug, plug and play.3m length cable long distance transmission.New revamped design gives you better quality sound during transmission.Microphone can be picked up from the clip for the best sound effect.Adopting electret condenser cartridge with high sensitivity , low impedance , antinoise and ant jamming capability.Microphone can be glued with sticker to the wall, glass, car, door, etc.With fast and accurate data transmission, guarantee the voice clearly and stably under kinds driving occasions.Highly improved the speech quality of hand free car kit communication system. SpecificationsFrequency response 50Hz 20KHzImpedance 2.2K Mic size 9.76.7mmSensitivity 32dB 3dB 0dB1VuPaDirectionality omnidirectionalChannel 2pole mono3pole stereo4pole pinSM headWire length 3mType 3.5mm elbow 2pole mono, 3.5mm elbow 3pole stereo, 3.5mm straight head 2pole mono, 3.5mm straight head 3pole stereo optional NotePlease allow 01cm error due to manual measurement. pls make sure you do not mind before you bidDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes1 Car StereoMono Microhone