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 detached from the clip for optimal sound pickup Features an electret condenser cartridge with high sensitivity, low impedance, noise resistance, and anti-interference performance Can be mounted using adhesive sticker on surfaces such as dashboard, glass, car interior, door, etc. Ensures fast and accurate data transmission for clear and stable voice performance in 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 other in-vehicle intelligent voice systems Function: Microphone can be attached to dashboard, sun visor, rearview mirror, or similar locations Note: Due to lighting and screen differences, the actual color may vary slightly from images Slight measurement deviations of 1-3cm may occur due to manual measurement Package includes: 1 x 3.5mm Car External Microphone