Popular with call center agents, the Plantronics P31-U10P Polaris StarSet features the flexible Versatip eartip which conforms to the shape of the user's ear. Ideal for those who desire "up close" sound of every call directly inside their ear. Comfortable for all day use. Adjustable microphone boom allows user to find ideal placement in front of mouth. Plantronics Quick Disconnect acts as an on-hold function, allowing you to walk away from your phone while still wearing your headset. Comes complete with Polaris cable (Quick Disconnect to modular plug) that connects headset directly to your Polaris-compatible phone.