Goliton 30 pin turn Samsung Charge Micro USB iphone 4S 3.5mm audio adapter cable Support 3.5mm audio transmission to the Apple Special Speaker (Speaker to be analog signals, digital signals can not be used), such as MP3 players, radios, cell phones, laptops (AUX OUT) and so on. Applies to the following models: Apple iPhone 4s all Samsung / Sony / LG / Nokia / HTC phone using the 3.5mm headphone jack.