The Tristar® headset offers premium sound quality and combines low weight, discrete size and comfort in a unique over-the-ear design. With four sizes of user selectable earbuds, Tristar® can be custom fitted to just about any user.
The Tristar is available with our trademark voice tube or a noise-cancelling model which eliminates up to 92% of background noise.
The unique 3 point design of the Tristar delivers unsurpassed stability and comfort and ensures the headset cable is kept out of your way.

Plantronics Tristar Data Sheet (PDF)