Features: Experience clear and reliabled Auditory with our 3.5mm 2pole mono microphone, for seamlessly integration with your car navigation. This microphone features a frequency response of 16Hz-20KHz, impedance of 2.2KΩ, and omnidirectional sensitivity at 32dB±3dB, ensuring optimaled sound capture in various environment. For driver and passenger who rely on car navigation systems, wireless voice calls, and monitoring for enhances communication and safe on road. Perfectly suited for in car use, this microphone is compatibles car navigation systems, wireless voice calls, providing a versatiled solution for all your automotive Auditory needs. The microphone comes with a 3meter long, 2core shielded cable, offering flexibility and durability for everyday use in any vehicle setups. Specifications: Name：Car Navigation Microphone Model：ZJ024MR Frequency Response：16Hz-20KHz Impedance: 2.2KΩ Microphone head size: Ø9.7X4.5mm Sensitivity: -32dB±3dB (0dB=1Pa) Adapter head: 3.5mm Orientation: omnidirectional 3.5 elbow Sound Channel: 2pole mono, 3pole Cable diameter: 2.5mm / 2core shielded cable Cable length: 3meters Application: car navigation microphone, car wireless voice calls, car monitoring Frequency ranging 20Hz-20KHz Cable Length：about 300cm/118.1in Type: Straight/Elbow Head Package Includes: Car Navigation Microphone note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.