The Avaya L129 Headset is a Monaural headset targeted for the Call Center or UC worker.  The headset connects to a Quick Disconnect cable with connectivity options of hook switch, USB and 3.5MM.

Avaya L129 Mono QD Headset Features:

• Monaural, wear over either ear
• Works only with 96XX, 96X1, J100, Vantage and 16xx phones (not compatible with models not listed here)
• Passive Noise Cancelling Microphone
• Quick Disconnect End
• Requires Avaya RJ9, USB or 3.5MM cable or L100 Controller (See Accessories)
• Adjustable Headband with Leather
• 1.2M (3.93 ft) Cable Length
• Soft Client Support for Equinox, One-X Agent, Agent for Desktop
• AcousticEdge supported with J100, 96XX, 96X1, Vantage Series phones