Plantronics Products – Plantronics – S11 System Over-the-Head Telephone Headset w/Noise Canceling Microphone – Sold As 1 Each – Connects to single- or multi-line phones. – Hands free convenience and comfort. – Noise-canceling microphone. – Compatible with most phones; volume/mute control. –

Connects to single- or multi-line phones.
Hands free convenience and comfort.
Noise-canceling microphone.
Compatible with most phones; volume/mute control. Plantronics - S11 System Over-the-Head Telephone Headset w/Noise Canceling Microphone - Sold As 1 EachConnects to single- or multi-line phones with ease. Offers hands free convenience and comfort. Noise-canceling microphone reduces background noise to ensure clear conversations. Universal amplifier is compatible with most phones and provides mute and volume control. More »