Whether you are an existing Plantronics partner today or an aspiring one, you'll need to be authorized to carry designated products moving forward. Become an Authorized Partner today to ensure your access to new and existing Plantronics products.
If your headset uses a solid black microphone, then it cannot be replaced. If your microphone is defective, you will need to exchange the headset.
If your headset uses a plastic voice tube, then it can be replaced.
The following links provide additional product information: