Plantronucs Telephone Headset, S12

Plantronucs Telephone Headset, S12 not compatible with phones that feature the keypad in the handset. The S12 is a telephone headset system that connects to a single or multi line phone. The S12 provides hands ffree convenience so you can do other things while you are on the phone. 2 in one headset, over the head or over the ear. Noise canceling microphone reduces background noise.