eHow - Internethttp://www.ehow.com/guide_20-http://www.ehow.com/guide_20-internet.html.htmlwww.ehow.comHow Does an MP3 Player Work?http://www.ehow.com/how_4805910_an-mp3-player-work.htmlMP3 players are devices that can hold digital files that are downloaded from a computer, and they range in size from 64 megabytes and up. Discover what the best options are for MP3 players with help from a certified Mac repair technician in this free video on MP3 players. Published on 2/23/2009