Jack-Connection,Plug & play installation
Control music files from your car radio panel or steering wheel
Direct Connection via CD changer Port with CD quality sound
Note:this item is 8 pin Connector,another style is 12 pin,here is the link:http://www.amazon.com/gp/product/B00QRQVD52
Fit for 1999-2005 A2, 2001-2006 A3, 1998-2006 A4/S4, 2001-2004 A6/S6, 1999-2003 A8/S8, 2000-2005 AllRoad, 1999-2003 TT

Technical Details

Product Details

Package Dimensions
Width : 5.5 inch
Height : 0.9 inch
Length : 6.1 inch

Shipping Weight: 3.2 ounce (View shipping rates and policies)

ASIN : B00ITJJUNM