IMPORTANT NOTE: Not all accounts have the blur background feature enabled.
Below are screen captures of how the camera and microphone check appears when the feature has not been activated for an account -VS- how it the camera and microphone check appears when the blurred background options are turned on.
Account with Blurred Background feature turned OFF:

Account with Blurred Background feature turned ON:
Can I submit a request to activate the blurred background feature?
Yes. However, the request must be submitted with the recruitment team for the company you are interviewing with. We recommend contacting the recruiter using the 'Message Center' from the interview link regarding your inquiry/request. Please CLICK HERE for detailed instructions on how to send a message via the 'Message Center' from the interview link.
The recruiter will review your request at their earliest convenience and respond directly. Please note that our Support Team is unable to provide a specific time frame for when the recruiter will reach out to you.