The Plantronics Polaris P351 SupraPlus SL Voice Tube headset  brings new standards in all-day comfort and reliability to telephone professionals. Enhanced receive-side audio quality, intelligent flexible boom and stylish design provide greater headset flexibility. SupraPlus SL offers monaural or binaural versions, voice tube or noise-canceling microphones.  Retail Price $122.00

Key Features:

• New silver color
• Includes Leatherette Ear Cushions, adhesive cord clip, and Plantronics logo carrying pouch
• Enhanced audio for greater listening accuracy

Important Note: Plantronics Polaris Headsets can only be use with telephones with a headset jack built-in (ie. Nortel, NEC, etc). DO NOT BUY THIS HEADSET WITH A VISTA M12 or M22 AMPLIFIER. If your phone does not have a headset jack and internal amplifier, then the Plantronics H-Series Headsets with an external amplifier such as the  Plantronics Vista M22 are a good solution.

<= This headset has a Modular Jack

For more detail information see Plantronics Polaris headset datasheet