Carismatic 3.5mm Stereo Plug Universal Audio Cassette Adapter for iPhone/Android/Smartphones - Black EASY-TO-USE: Simply connect your MP3 player/IPhone/Android/IPod and start playing music. HIGH QUALITY SOUND: Enjoy the clear sound due to a modified mechanism of the earbuds and stereo plug. AUTO REVERSE: Now Cassette Adapter became even more convenient. You can easily replay your favorite song. CONNECT LINK LENGTH 48inch: The length of the cord allows to place your device anywhere. LIGHT WEIGHT: This device is easy to transfer and compact.