Your focus zone Loud and distracting background is just gone with 3-levels of advanced digital hybrid ANC. Crystal-clear conversations Callers will hear what they’re meant to hear—you, loud and clear, with the advanced multiple-mic noise cancelation with Acoustic Fence technology. Work the way you want Stay connected and powered all day with up to 251 hours of talk time. If you need more, just plug it in and use as a corded headset. Wear it like it's not even there Stay engaged during a full day of calls, wearing an ultra-comfortable headband with super-cushioned sling and plush ear cushions.