Poly EncorePro HW540D Digital is a brand new 6-pin quick disconnect convertible headset. It has a 3-in-1 headset design.  It comes complete with all of the wearing styles possible. The EncorePro HW540D is designed with quality and comfort.  The Poly HW540D provides high--quality digital audio, a flexible microphone with visual positioning guides, soft ear cushions, and super durable and lightweight materials for all day use.

Poly EncorePro HW540D QD Digital Headset Features:

• Includes all 3 wearing styles - over the head, on the ear, and behind the head.
• A balanced boom mic that stays in place for all day wearing comfort
• Plantronics 6-Pin Quick Disconnect (QD) feature (not compatible with traditional 4-pin QD analog devices)
• Flexible noise canceling microphone boom allows you to positioning for the best sound
• Wideband audio delivers richer, clearer conversations, while SoundGuard technology protects from noise spikes
• Laser welded construction and metal joints provide unbeatable toughness Extraordinary Service
• Backed by Plantronics 2-year warranty
• Certified for Skype for Business and optimized for Microsoft® Lync
• Requires Poly DA90 USB Processor, Poly MDA490 or Poly MDA 526 (See Accessories)
• Formerly Poly SKU 203194-01