The Savi W720-M Multi-Device Wireless Headset System from Plantronics comes with an over-the-head (binaural) headset that offers up to 350 feet of wireless range, so you can easily manage desk phone, PC and mobile phone calls. With one-touch call answer/end, volume +/-, mute and flash, you can manage calls from any connected device up to 350 feet from the charging base. Transfer audio between headset and mobile phone with a press of a button so you can leave the office and take the mobile call with you. The Savi W720-M Multi-Device Wireless Headset System lets you easily switch and mix audio between desk phone, PC and mobile phones with one wireless headset system. The system is optimized for Microsoft Lync and OCS 2007.Manufacturer Included Items:Plantronics Savi W720-M Multi-Device Wireless Headset SystemWH350 Headset (Binaural)Base and Charge CradleUSB CableTelephone Interface CablePower SupplyBundle Items Include:1 x Plantronics Savi W720-M Multi-Device Wireless Headset System1 x Plantronics HL10 Handset Lifter