The Dolphin EasyReader is a software digital talking book player, allowing users to read and listen to content through a combination of text, speech and images. With EasyReader, readers can navigate to any section of a book, change the reading voice, customize their preferred text, alter the background and highlight colors, search for words and phrases, and place bookmarks within a text. POWER: CD-ROM or DVD drive. COMPATIBILITY: Windows XP Home, XP Pro, Windows 7 (32-bit editions, 64-bit client editions) or Windows 8, 32/64-bit. WARRANTY/GUARANTEE: As stated by the manufacturer.