General features:

• Car Radio Stereo 3.5MM mono external hand-free microphone for in-dash head units
• Compatible with Sony Kenwood Alpine Receivers and will work with most in-dash market radio
• Microphone can be picked up from the clip for the best sound effect
• Can be glued with sticker to the wall, glass, car, door, etc.
• Can Be Used with external Bluetooth interface module
• For in-dash head units with built-in Bluetooth that feature a 3.5mm microphone input
• High sensitivity, low impedance, antinoise capability with fast and accurate data transmission
• Designed to transfer the sound clearly under all kinds of driving situations
• Quality crafted to factory's rigid specification