Features: Brand new and high quality 3.5mm 2.5mm standard plug, plug and play. 3m length cable for long distance transmission. New revamped design provides better sound quality during transmission. Microphone can be picked up from the clip for optimal sound effect. Features an electret condenser cartridge with high sensitivity, low impedance, anti-noise, and anti-jamming capability. Microphone can be attached with a sticker to walls, glass, cars, doors, etc. Ensures fast and accurate data transmission, maintaining clear and stable voice in various driving conditions. Enhances the speech quality of hands-free car kit communication systems. Designed with a U-shape fixing clip for easy installation and reliable use. Specifications: Frequency response: 20Hz-16KHz Impedance: 2.2K Signal to noise ratio: 58dB Current consumption: 500uA Mic core size: 9.7X6.7mm Sensitivity: -32dB ±3dB (0dB=1Pa) Directionality: Omnidirectional Plug: 3.5mm, 2.5mm (optional) Channel: 2-pole mono Wire diameter: 2.5mm / 2 core shielded wire Wire length: approx. 3m Note: Please allow 0-1cm error due to manual measurement. Due to differences between monitors, the picture may not reflect the actual color of the item. Package includes: 1 x Car External Microphone 1 x U Shape Fixing Clip 1 x Sticker