WOVTE Retractable 3.5 mm Auxiliary Cable Cord for iPod iPhone Zune Car Stereo MP3 Black Pack of 2 This handy retractable headphone patch cord is compatible with the most popular smartphones, tablets, laptops, MP3 players and computers that connect with a 3.5mm male to male stereo audio cable. The gold-plated plugs with wear resistance , corrosion resistance ensure smooth connections every time. The ratchet design allows the AUX cable to simply pulled on both ends to extend the length you need with an adjustable ratchet function., make sure enough to reach from your center console to your stereo. Can be fold up into 4 inch when it not in use , easy to carry and store , keep your desktop or car console organized and tidy. Copper core of high quality ensures authentic audio transmission and durability.