&lt;b&gt;ENHANCED INTERACTIONS. BETTER CONTROL.&lt;/b&gt;&lt;br /&gt;The EncorePro 500 Digital Series with DA90 USB audio processor and Plantronics Manager Pro an additional service is a fully integrated audio and asset management solution for customer service centers. Centralized management with Plantronics Manager Pro enables IT to track detailed insights about devices. And all-day comfort with superior audio quality including a noise-cancelling microphone with wideband audiogives customer service representatives the tools they need to provide outstanding customer interactions.&lt;br /&gt;&lt;br /&gt;&lt;b&gt;MANY DESIGNS. ONE GREAT PERFORMANCE.&lt;/b&gt;&lt;br /&gt;From over-the-head to over-the-ear to convertible designs the EncorePro 500 Digital Series is our dependable all-day workhorse engineered for the demanding needs of the modern customer service center and office. An adjustable fit with flexible boom offers precise quick microphone positioning enhancing wearability and helps ensure that customer service representatives stay fresh and focused on the customer throughout the day.&lt;br /&gt;&lt;br /&gt;PLANTRONICS MANAGER PRO&lt;br /&gt;&lt;br /&gt;&lt;b&gt;HEADSET MANAGEMENT SIMPLIFIED.&lt;/b&gt;&lt;br /&gt;With Plantronics Manager Pro an additional service IT can remotely monitor manage and maintain headsets company-wide to help ensure that customer service representatives are ready to take every customer call. No IT help desk backlogs no more running from user to user for adjustments fixes or updates. For IT it means simplicity. For the customer service representative consistency. And for the customer satisfaction.