This headset delivers hands free comfort while you’re on an important call. The stereo ultra-wideband digital audio provides clear, acoustically accurate sound while you enjoy all-day comfort. The noise canceling microphone gives you the confidence that you are being heard even in noisy surroundings. Plug and Play Simplicity - No software required. Just plug and play. Clear Stereo Sound - The ultra-wideband digital audio reproduces sound accurately. Noise Canceling Microphone - Your voice will clearly come through, even in noisy surroundings. Inline Volume and Microphone Controls - Adjust volume or mute with handy inline controls. Call indicator light lets people know you’re “busy.” All-Day Comfort - The 270-degree boom rotation lets you control