*DISCONTINUED* by Plantronics.  See the new Poly EncorePro EP545 USB (A,C) Convertible Headset UC

Plantronics EncorePro HW535 USB computer over-the-ear Headset. Plantronics HW535 USB is designed for heavy call centers that require a VoIP USB headset solution.  It offers all-day comfortable use and excellent audio. The IT staff or management can remotely track and manage every headset Plantronics Manager Pro (sold separately). That means no more running from user to user to provide tech support. Wideband audio also provides natural human voice sound in addition to advance noise canceling technology to filter out background nose for the caller on the other side.

Key Features:

• Over-the-ear only USB computer headset
• Lightweight composite material
• Custom adjustable fit
• Inline controls allow users to answer/end, mute, and adjust volume
• adjustable microphone boom allows perfect positioning to your mouth
• SoundGuard  hearing protection against loud noise spike from the phone line
• Optional software to allow remote setting adjustments, monitor, manage, and maintain audio devices company-wide
• Two (2) year limited warranty

For more detail information, see Plantronics HW535 datasheet