Plantronics Calisto-Pro Bluetooth Headset with USB Bluetooth Adapter
Highlights:    * Connect to PC and mobile devices; seamlessly switch between the two    * Seamlessly switch between PC and mobile phone communications    * Optimized plug-and-play solution for Microsoft Office Communicator 2007    * Bluetooth range optimized for in-office mobility    * Wideband PC audio delivers heightened speech clarity and life-like fidelity    * Single-button controls call answer/end, volume, and mute    * Extended boom and noise-canceling microphone clarify voice transmission in bustling environmentsFeatures:    * Operating Frequency: Bluetooth 2.1    * Wearing Styles: Convertible Over-the-Head or Over-the-Ear    * Digital Encryption:    * 128-Bit    * DSP (Digital Signal Processing)    * PC Wideband Audio    * Range: Up to 210 feet with Class 1 range    * Headset Controls: Volume, mute, call answer/end    * Dual Connection: PC and mobile phone    * Switch Calls: Answer whichever device is ringing    * Adaptive Battery Power: Optimizes energy consumption    * Battery-Enabled Talk Time: Up to 6 hours, 60 Hours standby    * Microphone Style: Noise-Canceling    * Remote Ring Notification    * Single-Button Call ControlSystem Requiresments:    * Windows 7, Vista, XP, 2000, and Linux.    * IT IS NOT COMPATIBLE WITH Mac OS X.    * Free USB PortPackage Contents:    * Calisto-Pro Bluetooth Headset    * Blutooth USB Adapter    * USB Headset Charger    * AC Headset Charger    * Travel Bag    * User Guide