iSimple ISGM573 Gateway Automotive Audio Input Interface Kit for 2005-09 GM 11-Bit Blue Connector Features digital sound quality Vehicle must be either equipped with, or have the ability to support Satellite Radio Radio must be equipped with a "BAND" or "XM" button to be compatible Includes a 30-pin iPod cable. An Apple-ready USB cable (ISPDC12) is an available option, which supports OEM Apple 30-pin or Lightning cables Includes an auxiliary input cable with both 3.5mm stereo mini headphone jack and RCA connections. Use it to connect mp3 players, DVD audio, external satellite tuners, etc. An optional Bluetooth add-on kit (ISBT21) is available for hands-free calling and music streaming