Plantronics HW291N (Monaural) EncorePro Professional Headset with superior audio clarity and delivers unprecedented style and performance to contact center professionals. It is built with premium lightweight nylon composite materials providing an ultra-lightweight design, Plush leatherette ear pads, The extendable microphone ensures precise positioning for good communication and The Quick Disconnect feature lets you walk away from your phone while still wearing your headset --elegant satin finish