Conwork 2-Pack Auxiliary Retractable 3.5mm Male to Male Stereo Audio Extension Cable Cord -2.5ft (1 Black + 1 White) UNIVERSAL COMPATIBILITY with the most popular smartphones, tablets, laptops, MP3 players and computers such as the iPhone, iPad and Apple computers, Samsung Galaxy, Google Nexus, Microsoft Surface Pro, Nokia Lumia, SanDisk Sansa and more that connect with a 3.5mm male to male stereo audio cable CLEVER RATCHET DESIGN retracts the aux 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 1 ounce STEP DOWN DESIGN of the connectors 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 3.5mm aux port; Convenient 2-Pack stereo cable provides a portable spare to keep in the car or store in a laptop bag SOLID CONSTRUCTION with corrosion resistant, silver-plated tips encased in sturdy headphone jack connectors with 360 degree easy-grip treads; Provides authentic audio transmission and durability for frequent unplugging Package Content: 2 x 2.5 Feet Retractable Audio Cable