LifeChat LX-4000 for Business.

• Selective Sound. The single earpiece provides the ability to handle calls and still hear everything around you.
• Noise Canceling Microphone.Meetings and conference calls will be more productive as voices clearly cut through even noisy surroundings.
• Inline Volume and Microphone Controls. Adjust volume or mute on the fly with handy inline controls. And the call indicator light lets people know you’re “busy.”
• Plug and Play Simplicity. No software. Just plug it in and you’re in business.
• All Day Comfort. An ergonomically influenced earpiece and a 270-degree adjustable microphone provide all-day comfort.