Creates a focus zone around you, helping to ensure that all you hear is your call, thanks to three levels of hybrid active noise cancelation (ANC). This headset also employs two digital MEMS microphones and two analog EMC microphones with Poly Acoustic Fence technology that help background noise to make your voice more clear. Designed for high comfort and versatility for unified communications applications, this Zoom & Microsoft Teams certified on-ear headset features a flexible boom.