Insten 3.5mm Car Audio Auxiliary Cable for 16GB/32GB/64GB for Zune/iPod/iPhone 3G/4S Apple iPod, iPhone, or iPad are registered trademarks of Apple, Inc. Products are Apple compatible and not endorsed by Apple, Inc. Compatible With iPod iPhone 3G/iPhone 4S - AT&T, Sprint, Version 16GB 32GB 64GB zone The innovative retractable design cuts down on travel bulk & ensures the portability of your MP3 player w/ out sacrificing functionality. No more heavy, bulky, tangled cables Color: Black Length: 3 inches/ 7.5 cm (can be extended up to 32.5 inches/82.55 cm). Accessory only