Carol, the wireless sets I use have and adapter that plugs into the headphone jack of the audio device. So if the device in the car has a headphone jack it should work in theory, I have not tried this, My daughter normally monopolizes the audio in the car with Country not one of my favorites! Thank You, David L. Bailey baileydavidl62@xxxxxxxxx -----Original Message----- From: guide.chat-bounce@xxxxxxxxxxxxx [mailto:guide.chat-bounce@xxxxxxxxxxxxx] On Behalf Of Carol O'Connor Sent: Friday, July 15, 2011 11:22 AM To: guide Chat List Subject: [guide.chat] to david headsets Good afternoon david brilliant idea for clare there just wondering can you use these cordless headphones in your car on long journey curious now here to listen to cd in car or radio let us all know please thank you Love Carol x.x.x.x.