This document provides information on compatible file formats for downloading ebooks and audiobooks from various devices. It lists that the OverDrive Media Console can be used on PCs or Macs and supports WMA and MP3 formats for PCs, and only MP3 format for Macs. Mobile devices like the Nook and Sony eReader require transferring MP3 files, while iPads, iPhones and iPods support direct download of MP3 files using the OverDrive app. The Kindle may allow transferring MP3 files.