Features: and high quality Car external microphone is an optional accessory for o systems with built-in Bluetooth-compatible modules This 3.5mm car external microphone provides improved noise reduction in noisy environments Plug and play design with long cable for extended transmission distance Microphone can be removed from the clip for optimal sound performance Equipped with an electret condenser cartridge offering high sensitivity, low impedance, noise resistance, and anti-interference capability Microphone can be attached using adhesive sticker to surfaces such as dashboard, glass, car door, or interior panels Ensures fast and accurate data transmission, delivering clear and stable voice quality during various driving conditions Specifications: Item: Adhesive Microphone Model: 50Hz - 20KHz Size: approx 9.7x6.7mm / 0.38x0.26in Sensitivity: approx -32dB Directionality: Omnidirectional Wire diameter: 2.5mm shielded wire Compatible with: Car Bluetooth voice calls, car GPS monitoring systems, intelligent voice systems, and voice transmission applications Function: Microphone can be mounted on dashboard, sun visor, rearview mirror, or similar locations Note: Due to lighting and screen differences, the item color may vary slightly from images A 1-3cm variation may occur due to manual measurement Thank you for your understanding Package includes: 1 x 3.5mm Car External Microphone