The Plantronics TriStar headset is so light and stable, you"ll forget you"re wearing it. Its unique three-point design provides support behind, on top of, and in the ear for a discreet and comfortable fit. Advanced materials make TriStar incredibly light only 0.42 oz but still very durable. Four earbud sizes let you select the fit that"s right for you, delivering the very best in sound quality and all-day comfort for call center and office professionals. The uniquely balanced design works equally well for eyeglass wearers.