In-call LED red-light indicator Located on the backside of the boom, this red light provides a visual alert to those behind you that you are on a call, preventing accidental disturbances during calls. Flexible microphone boom Rotate the boom up or down and bend it left or right to move it closer to your mouth, enabling optimal placement for voice pickup. Quick-access inline controller Control the call with answer/end, volume up/down and mute buttons. The volume-up button is strategically built higher than the others providing a point of reference for your fingers and allowing you to control the call without looking away from your work. Optimized for Microsoft Lync; Compatible with most leading UC platforms Ensures enterprise-quality audio and an integrated experience with most all business-grade UC platforms. Flat no-tangle cable Avoid cord tangles so you can put the headset on quickly and easily without the mess. Dynamic equalizer Automatically switches between voice and music modes, delivering the best sound quality for what the user is listening to. Acoustic echo cancelation and noise-cancelling microphone Optimized so you can hear and be heard even in noisy workspaces. Wideband audio Hear and be heard in true wideband audio, ensuring those on both sides of the call enjoy a lifelike listening experience. Digital Signal Processing Enables precise tuning for both the mic and speaker so conversations are more life-like. Padded leatherette headband and earpad Built with high quality materials so the headset remains comfortable, even during long hours of use. Contemporary, ultra-lightweight design Sleek design and durable materials provide a more attractive look than traditional headsets. Cloth zipper bag included Protect your headset at the desk or on-the-go with a premium velvet carry bag.