Many MP3 players, as well as smartphones and other gadgets, use microSD cards to store MP3s and other files. You can also use a microSD card, also known as a TransFlash or TF card, to transfer music from one computer to another. To access the card, you need to use a SD card reader. Windows is able to recognize the card immediately and assigns a new drive to it. Tips

How to Download MP3 Files to a microSD Card or TF Card - 92