MP3 CD Players: it is actually a digital music player that can play both the MP3 CDs as well as the standard audio CDs. MP3 CDs can store a very large number of songs in them, much more than the usual audio CDs. This is due to difference in their file formats. You can burn your MP3 CDs easily with the help of your computer and you can then play them in your real player.

Hard drive based MP3 Players: the music is stored on a hard drive in this type of MP3 player. Around 100 GB is used for storing the music. This will store a huge collection of songs. This player uses a USB interface for connecting to the computer (like all other hard drive players). The music from the computer can thus be downloaded from the computer on to the player.

Flash Based MP3 Players: The music is stored on a memory card. These players can hold a large collection of music probably up to some Gigabytes. These players are actually not that easy to use. It may have some problem in its working occasionally. To download music from your computer on the Flash player; you need to use a USB interface.