You can't build a wall around yourself to block out background noise. That's why there's a solution for you: the Voyager Focus2 headset creates a "focus zone." You will only hear your call, thanks to the three levels of hybrid Active Noise Cancelling (ANC). With professional microphones featuring Poly Acoustic Fence technology, your conversation partners will only hear you. You get the outstanding Poly engineering you expect, with all-day exceptional comfort.