Logitech QuickCall USB VoIP Speakerphone

Logitech QuickCall USB VoIP Speakerphone
The advanced dual microphone array provides clear, high-quality audio; cancels out background noise yet picks up soft conversations.
One-touch call buttons
RightSound technology eliminates "conference call" echoes for clear conversations.
Microphone works up to 10 meters away in a quiet room (5 meters in an office environment)
Built-in headset jack for private calls