With the Blackwire 8225, your voice is the only thing heard, not the chaos around you. Its noise-canceling microphone with Acoustic Fence technology puts you in a quiet office, even if you're in a noisy kitchen. It's no secret that tuning out background noise makes you more productive. Hybrid active noise canceling (ANC) makes it easy to escape the noise around you. And three ANC settings mean you can fine-tune your level of quiet where you work. The Blackwire 8225 is crafted from premium materials with a lightweight design. You will get a comfortable, customized fit using adjustment markers and 180° pivoting speakers. You'll fall in love with the aesthetic design and robust look and feel. Stay distraction-free on callsIs background noise affecting your productivity? Reduce noise and increase focus with the Poly Blackwire 8225 headset with a noise-canceling microphone enhanced with Acoustic Fence technology and advanced hybrid active noise canceling (ANC). Performance On/off switch Yes