Features:

• Built-in microphone and loudspeaker
• Small footprint design
• USB interface - for desktop and laptop use
• RJ11 interface - for IP and POTS telephone connection
• Stereo 3.5 audio jack for external speakers and headphone connection
• 2.5mm headset connection
• Mute Button, Volume Up and Volume Down Button

• Acoustic Echo Cancellation, Line Echo Canceling, Noise Suppression, Voice Level Compensation
• Several Duet Executives can be ganged toegther coveingr a large conference room.

.Duet Executive Datasheet (pdf)