To use the Philips SpeechMike devices, the original Philips driver must be installed. You can get the drivers from the following link:
https://www.dictation.philips.com/fileadmin/Products/pcl8000/ifu/guide/index.html?lang=en
If you have already installed the drivers, you can simply skip this step.
Make sure you have the chrome extension installed - DownloadÂ