This is Dragon Naturally Speaking Premium Wireless Edition 12 with a Calisto Bluetooth Headset. It is designed for speech recognition and transcription. The software comes in DVD format with the English language as the default option. It requires at least 2GB of RAM, 1GHz of Processor Speed, and 3.2 GB of hard drive space. This Dragon software works on Windows 7, Windows Vista, Windows, and Microsoft Windows Server 2008 operating systems. It is licensed for use on one device only. The package includes a Calisto Bluetooth Headset for making communication easier while using the software.