Experience the best in long-range coverage and clarity, provided by a unique antenna design and advanced noise-filtering technology. Calls have never sounded so rich and life-like. Enjoy high-definition sound with HD voice, and receive crystal-clear communication. The headset is optimized to work with major softphone services. Get full integration and remote call control on the cordless headset with free downloadable PC software. The noise-canceling microphone reduces background noise and are ideal for noisy office environments. Magnets anchor the headset in the cradle to ensure a full charge every time.