With laser-tuned drivers & a built-in equalizer, your professionals get clear, comfortable, effective communication. Optimized for Microsoft® Lync 2010. ** Laser-tuned drivers** Laser-tuned drivers minimize distortion, delivering natural audio for crystal clear conversations. ** Built-in equalizer** The equalizer is optimized for conversations, making it easy to hear & be heard. ** Noise-canceling unidirectional microphone** Reduces background noise for clearer conversations. ** Flexible, rotating boom** The adjustable microphone rotates out of the way when not in use. ** Padded headband & ear cups** An adjustable padded headband & pivoting ear cups with leatherette pads keep this headset comfortable, even during long conference calls. ** Easy setup** Your employees can just plug it in--and start using it. No software or pairing required. ** Quick-access audio controls** Answer & end calls, adjust the volume & mute the microphone right from the headset--with no dangling, in-line controls to get in the way. ** Optimized for Microsoft® Lync 2010** It's optimized for Lync 2010, so your organization can capitalize on teleconferencing & unified communications. ** Made to last** The headset comes with a three-year limited hardware warranty.