This Nuance Dragon Dictate for Mac Speech Recognition Program 4.0 DVD ROM REV B is a reliable and efficient tool for Mac users. It offers English language speech recognition and is suitable for a range of operating systems. The program comes in a DVD format With this speech recognition program, you can easily convert your spoken words into written text. It is perfect for those who want to save time and avoid typing. The Nuance Dragon Dictate for Mac Speech Recognition Program 4.0 DVD ROM REV B is a great addition to your Mac software collection. The software is still sealed and the unit unused.