The Agent 100's single earpiece delivers excellent sound quality while still allowing you to confer with those around you, so it's great for busy environments where clear communication is key. It is a hands free unit, leaving you free to type and multi-task while taking a call, and it has an adjustable headband, flexible boom and leatherette ear cushion for optimum comfort and versatility. You can multi-task while you're on the phone Excellent sound quality and noise cancelling microphone Adjustable headband and flexible boom for personal comfort Single earpiece for easy communication between operatives Quick disconnect feature allows you to quickly disconnect from the bottom half cable, whilst still wearing the headset