Fosmon 3.5mm Aux Auxiliary Retractable Audio Cable Cord for the Apple iPhone 5 Audio Extension Cable for use with the iPhone 5 Compatible with: Any Cell phone / Mp3 Players / PDA with standard 3.5mm jack The innovative retractable design cuts down on travel bulk & ensures the portability of your MP3 player w/ out sacrificing functionality. Length: 5 inches / 12cm (can be extended up to 32.5 inches / 82.55 cm). No more heavy, bulky, tangled cables. Accessory ONLY.