The Voyager Focus Uc stereo Bluetooth headset's advanced Active Noise Cancelling function and authentic stereo sound lets you focus on your conversation without the distractions of background noise. Ideal for mobile managers who often use Pcs/Macs and mobile communication in noisy environments. Control your conversations with intuitive mute features and built-in smart sensor technology. You can activate/deactivate muting at the touch of a button, or simply remove and replace the headset. Music playback is automatically interrupted when a call comes in. When you're ready to turn your music on, the Voyager Uc delivers rich bass, crystal-clear treble, natural midrange and superior stereo sound.