Versatile retractable cable connects the headset jack of an iPhone/iPad MP3 Player smartphone computer or tablet to headphones a car stereo AV amplifier or portable speakers with the common 3.5 mm stereo mini-jack found on the most popular electroClever ratchet design retractable audio cable for convenient storage when not in use and provides a tangle-free alternative to cable spaghetti in the car or the office; Simply pull on both ends of the headphone cable to extend up to 2 feet and pull again to fold up into a lightweight 2 inch package that weighs less an ounceStep down design of the retractable aux cord for car accommodates smartphones even in a case for a seamless fit; Beveled connectors provide a snug and secure connection to your portable devices without causing strain on the 3.5 mm aux port; Convenient 2 pack stereo cable provides a portable spare to keep in the car or store in a laptop bagSolid construction with corrosion resistant gold-plated tips encased in sturdy headphone jack connectors with 360 degree easy-grip treads; Provides authentic audio transmission and durability for frequent unpluggingUniversal compatibility with the most popular smartphones tablets laptops MP3 players and computers such as the iPhone iPad and computers Galaxy Google Nexus Surface Pro Nokia Lumia Sansa and more that connect with a 3.5 mm male to male stereo audio cable