Plantronics Wo201 Savi Office for Microsoft Office Communicator (MOC) is the wireless headset system that unifies voice communications and integrates your desk phone and PC providing  business critical sound quality. Use the Savi Office system to mix calls between your PC and desk phone—conveniently combine a desk phone call with a PC call for real-time collaboration, or easily switch from one type of audio or device to another. Plus, Savi Office offers a longer wireless range for natural movement along with a variety of comfortable wearing styles, interactive software for personalization, and an adaptive battery system for longer battery life and an energy efficient approach to power usage. Retail Price $379.95

Key Features:

• Optimized for Microsoft Office Communicator (MOC)
• Range up to 350ft.  DECT 6.0, 1.9Ghz Frequency.
• 6 hours of Battery Talk Time
• Work smarter
• Integrates PC and desk phone audio
• Unsurpassed versatility
• Business critical sound quality
• Premium PC audio
• Multiple wearing styles
• Plug and play
• Energy-efficient adaptive power system

Additional Features/Benefits:

• Easily mix and switch calls between the desk phone and PC for real-time collaboration between colleagues, regardless of the communication devices in use
• Move naturally around the office with expanded wireless range and longer battery life
• Interactive software guide for fast, simple installation that minimizes implementation time
• Enables four Savi™ Office headset users to conference into the same call on a single system - bringing the right people together for quick and responsive decision making
• Add multiple headsets to a single system for hot desk applications, hoteling or desk sharing environments

For more detail information see Plantronics wo201 Savi Office datasheet