Features: Brand new and high quality Car external microphone is an optional accessory for audio 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 detached from the clip for optimal sound pickup Equipped with an electret condenser cartridge offering high sensitivity, low impedance, noise resistance, and anti-interference performance Microphone can be mounted using adhesive sticker on surfaces such as walls, glass, car interiors, doors, etc. Ensures fast and accurate data transmission, delivering clear and stable voice 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, and intelligent voice systems requiring voice transmission Function: Microphone can be attached to dashboard, sun visor, rearview mirror, or similar locations Note: Due to lighting and screen differences, the actual 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