Wholesale Trisonic 3.5 Stereo Plug to 3.5 mm Stereo Plug 6' Cable Use this cable to connect MP3, DVD, and CD players to almost all newer cars. This cable has industry standard connectors, so you are not buying an item that only works with a single manufacturer's cell phone. Hard to find at retail for less than $7, $10 or even $12. You can sell for $2 to $3 and help out your customers who need one in a pinch.