Microsoft LifeChat LX-4000 Headset for Business

This single-earpiece headset lets you hear what’s going on around you and still take care of business. The ultra-wideband digital audio provides clear, acoustically accurate sound. The highly sensitive, noise-canceling microphone means you’ll come through loud and clear, even if you’re in a noisy place.

-Plug and Play Simplicity - No software. Just plug it in and you're ready to go.

-Ergonomically Design for All Day Comfort - An ergonomically influenced earpiece and a 270-degree adjustable microphone provide all-day comfort.