Your contact center agents are your brand ambassadors, so give them the tool to sound as clear as your brand. In Jabra's Biz 2300 world class sound meets world class durability in an exceptionally comfortable and stylish corded headset ? keeping both your agents and your customers happy.Jabra Biz 2300 QD Mono is a mono headset with QD (Quick Disconnect) plug that provides instant connectivity to a wide range of desk phone systems.