DESC: Superior sound quality and unsurpassed comfort made Plantronics the world's number one selling headsets. With features like adjustable headbands, soft ear cushions, Sound Guard Plus and Call Clarity, you'll experience clear, precise audio and comfort for all day use. The Supra Headsets are ideal for reception, customer service, telemarketing and other phone intensive jobs. Studies show a worker's productivity increases 43% when hands are free to tend to tasks other than holding the phone. Just slip on the Supra Headset and you'll immediately understand why it's the number one headset all over the world.