This Headset has been

Discontinued by Plantronics.  It's been replaced by the Plantronics H171.

Configurable for every user, the Plantronics voice tube DuoPro is one of the most versatile headsets ever made. The stylish, innovative Plantronics DuoPro offers best-in-class sound quality. The H161 features an over-the-head wearing style, with advanced speaker technology for natural sounding conversations. New ergonomic innovations offer unsurpassed comfort.

Key Features:

• Single earpiece headband style
• Unsurpassed comfort
• Innovative double T-pad headband for ultimate stability and comfort
• Voice-optimized speaker sound