The Savi 430 is the first portable PCbased wireless headset system that incorporates DECT technology for unsurpassed, enterprisegrade audio quality, even in dense working environments. Handsfree functionality increases productivity by enabling users to multitask and move freely around the office. Enjoy the best PC audio with the portable Savi 430. Microsoft certified version Optimized for Microsoft Office Communicator 2007 supporting onetouch call control with Office Communicator.