User Guide
Page 2
... on one ear, the TriStar features a unique three-contact support system for maximum comfort throughout the day. welcome to optimize their performance. Worn on -the-job freedom that will make the most of both the Voice Tube and Noise-Canceling models and ways to hands-free communications from Plantronics With a TriStar® headset, you move around.
... on one ear, the TriStar features a unique three-contact support system for maximum comfort throughout the day. welcome to optimize their performance. Worn on -the-job freedom that will make the most of both the Voice Tube and Noise-Canceling models and ways to hands-free communications from Plantronics With a TriStar® headset, you move around.