If you're having issues with the microphone of your headset, try the following:

• Make sure the microphone (pink) cable is firmly connected to the microphone input jack of your source device.

• If you're connected to a computer, be sure you've properly configured your computer's microphone input settings (see your computer's documentation for more information).

• Check that your microphone isn't set to mute on the headset's inline remote, in your computer's settings, or in the application you're using.

• Try your headset on a different device.