Jupiter-Jack is an easy-to-use device (JJACK-Mc12) that turns your car radio into a hands-free speakerphone. It is easy to use. Simply plug Jupiter jack into your cell phone's headset jack tune your car radio to 99.3 fm and start talking hands-free. It's that simple. Jupiter Jack features a built-in microphone that transmits your voice clearly while you hear your caller's voice clearly through your car's speakers. Using a cell phone without a hands-free device may not be safe and is illegal in many states. Now you will enjoy a clear robust sound that only your car speaker can provide allowing you to conveniently talk and drive at the same time. Jupiter jack works with any cell phone with a headphone jack. Some phones may require an adapter the most common of which are included in the package. Battery included works with any phone in any car!

• This makes it easy to talk and drive.
• The A/C adapter works with multiple car models.
• It Works With Any Phone In Any Car.
• Turns your car into a speakerphone.
• This listing is for the black color model.