Tera Grand - Premium Retractable 3.5mm Male to Male Stereo Cable, Extends to 4 Feet Aux Audio for Car / Speakers Retractable, Compact and light weight Allows you to connect your car stereo, home stereo or portable speakers to your iPod, iPad, iPhone, smartphones, tablets, MP3 player, or any other audio source with a 3.5mm stereo headphone jack. Extends to 4 Ft. long. Fits smartphone with case