How much does this cost to the nearest dollar?

Calisto P820 Pc and Mobile USB (Discontinued by Manufacturer)
Product Description Plantronics Calisto P820 multi-device speakerphone allows you to manage PC and mobile calls and provides premium sound and unparalleled audio quality with full duplex wideband audio support and advanced background noise cancellation. The 2.4 color display features a touch sensitive dial pad for easy dialing, answering, muting and caller ID viewing, and allows seamless control to switch between devices. From the Manufacturer The Calisto 820 multi-device speakerphone system manages PC and mobile phone calls ( view larger ). Features full duplex wideband audio and advanced noise-cancellation technology ( view larger ). Experience a whole new way to manage PC and mobile phone calls with the Plantronics Calisto 820 multi-device speakerphone system. You get

Price is $51.00
Price: $50.98