(1) New Plantronics Savi W710/A Monaural Over-The-Head EU DECT Wireless Headset  for Unified Communication    Part Number: 83545-12 Retail Price $419.95   Plantronics Savi W710/A Monaural Wireless DECT Phone & Computer Headset P/N 83545-12   Plantronics Savi W710/A, a wireless headset system that connects to multiple devices but allows you to manage all calls from a single headset. This system unifies communication between your PC, desk phone and now mobile phone calls. Users can also listen to any PC-based audio including music players, streaming audio and video, webinars and podcasts with Plantronics W710. The headset system features a noise-canceling microphone, wideband audio support, and DECT wireless technology, providing lifelike voice fidelity and the ability to roam up to 350 feet from the base.  Key Features: Over the head Monaural Style Headset Multitask, hands-free up to 300 feet from your PC, Mac or Laptop DECT Bluetooth v2.1 technology eliminates interference Wi-Fi networks Noise canceling microphone filters out background noise 9 hours of talk time Headset controls lets you answer/end/mute calls from any connected device up to 350ft away (requires a Plantronics HL10 lifter, sold separately) Conference call with up to 3 additional headset users. Or audio can be mixed between any two phones to instantly bring people together. Digital Signal Processing provides more natural voice sound Advanced wideband audio using CAT iq technology Package content: Plantronics W710A base and charging cradle Plantronics W710A wireless headset USB Cable Telephone Interface Cable Power Supply