3.5mm to 3.5mm connection so you can output the sound from your iPod 
or other portable MP3/PMP player and connect it to the Aux Input 
of your car stereo (works great with factory and aftermarket stereos). 
Cable is a total of 6 feet and plugs into all standard 3.5mm "headphone" inputs.

Mini-Stereo audio cable
1/8" Mini-jack to 1/8" mini-jack connection
Perfect for connecting iPods to the auxiliary connection on some cars
Nickel contacts for excellent signal transfer
Right and left channel stereo connection
Length: 6 Feet