180 mAh battery provides up to 12 hours of talk time on a single charge to keep your conversations going. Noise-canceling microphone eliminates distracting background noise for clear conversations. ZUMBT Flexible microphone boom rotates 300 degrees so you can wear it on either side and can be adjusted in any way that works best for you.
It's all the Poly next-level engineering you expect with the wear-it-all-day comfort you need. Dynamic Mute Alert senses and tells you when talking while muted.." Heck, just put on the headset and it automatically answers the call for you.