The first couple links encompass the whole Bible. These are large files! The New Testament is 175MB and the Old Testament (Hebrew Bible) is 556MB. Don't choose these links unless you have a really fast connection to the Internet. The individual links represent single books of the Bible and vary in size from 1/2MB to 41MB, depending on how long the books is.
All of the files are in "zip" format and each chapter in each book is a seperate file in freely distributable MP3 format. This format is compatable with all digital music players, computers, iPods and the like.