By now, most people have seen the ads on television for the Jupiter Jack. This is one of the most popular products ever sold on television, and millions of them have been sold all over the world already. If you aren’t quite sure how it works, what it does it transmit the signal from your cell phone or MP3 player into your car’s stereo, which is ideal if you need hands-free talking on your phone while you drive.

What Is the Jupiter Jack?

This is a tiny device, much smaller than your cell phone, and it plugs right into the audio jack of your cell phone or MP3 player. You simply turn it on, turn on the stereo in your car and set it to 99.3 FM. When you do, you will hear the audio from your phone or MP3 player right through your stereo. The primary advantage of doing this is that you won’t have to hold your phone up to your ear to hear what others are saying and that could mean the difference between driving safely, having an accident, or even just breaking the law.

How Does It Work?

It uses a simple electronic transmission to send the signal from your device to the vehicle’s speakers. One of the great things about the Jupiter Jack is that it isn’t installed in your vehicle – rather it is small enough for you to carry in your pocket. So, this means that you can take it with you and use it in any car, or even use it with your home stereo system to connect your iPod if you want.

What Are People Saying About the Jupiter Jack?

It should come as no surprise to you that there are a lot reviews for this product online. Millions of Jupiter Jack devices have been sold and most people find that they really change the way that they are able to act when they are driving. If you live in a state that no longer allows you to hold a cell phone while driving, then this is an easy and legitimate way to conveniently get around that law.

"I love the product as it works perfectly with my husband’s cell phone – clear, no static, excellent."

• AJ, Amazon.com

Another unique feature of this product is that you can take it with you and use it when you are in someone else’s vehicle or even when you are driving a rental car.

"I use one for my phone in the car all the time because we have to use hands-free devices in our state."

• Paul, Amazon.com

Where Can You Buy One?

Although you can sometimes find the Jupiter Jack in stores, you will always get a much better deal if you find it online and buy it only from the official source. When you do, you will get to take advantage of a special buy one get one free offer that essentially halves the price of the product. You can keep one in each of your family’s cars, or give one to a family member or friend. Also, when you order it online, you will get a full 30 day money back guarantee on the product.

But is it Really the Right Product For You?

Now that we have all become so accustomed to using our cell phones in our vehicles, it is sort of a drag that they are changing the laws. But, if you want to easily and cheaply make sure that you don’t get pulled over for talking on the phone or distracted driving, then the Jupiter Jack is a great legal way to get your conversations done and never put yourself, your driving record, or your passengers in any kind of danger.