Plantronics, Inc.
345 Encinal
Santa Cruz, CA 95060 United States
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©2008 Plantronics, Inc. All rights reserved. Plantronics, the logo design, Encore Pro and Sound Innovation are trademarks or registered trademarks of Plantronics, Inc. All other trademarks are the property of their respective owners.
US Patents 5,259,780 and Patents Pending