a11y – Captioning for videos with accompanying text and no audio

We sell a widget. And we're building a webpage for the widget.

We have a section on the webpage where we want to show a text description of a feature of that widget, and below the description, we show a video of the feature with no audio.

There is no additional text/visual information that's contained in the video outside of what has been described in the text.

We are unable to remove the video since this is a studio shot from marketing which zooms into the key attributes and details of the widget.

My question is: how do we communicate this to people using assistive technologies without being redundant? Do we add some additional text as caption? Leave it without a description? Are there other options that we are overlooking?