<ul><li>The Multifunctional headphone combines the Bluetooth, Card MP3 player and FM Radio function, and supports hands-free function. With this product, you greatly enjoy the wonderful wireless music, listen to FM radio, and it also can be worked as a MP3 Player because it supports Memory card (MicroSD / TF card). Moreover, dont worry, if your music players (Such as, MP3 / MP4, etc) have no Bluetooth function, you can connect the music players to the headset via the included 3.5mm audio cable to enjoy your favorite music.</li></ul>