The AS-2400 is compatible with DS, DM, WS, VN-3500PC and VN-5500PC recorders from Olympus to provide a complete transcription solution. Complete with footswitch, headset, and powerful software, the AS-2400 can easily be integrated into the workflow of any office system and significantly streamline data sharing and distribution of dictations between professionals, departments, and office locations.Compatible with Windows 8 - NOTE Firmware cannot be upgraded.