The listing, Jupiter Jack for Car has ended.
Turn your car radio into a speakerphone
Easy to use.
Just plug in, tune radio to 99.3, and talk hands-free.
It's that simple.
Six (6) adapters included
Battery included
All instruction manuals and start up guide included
Coupon for three (3) free batteries included
Brand new
Features a built-in microphone that transmits your voice clearly while you hear your caller's voice clearly through your car's speakers.
Do not need due to my phone all ready does this very thing.