Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

As the devices grow in popularity, the Food and Drug Administration warned against trusting all the vital signs provided by the tech.

Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

As the devices grow in popularity, the Food and Drug Administration warned against trusting all the vital signs provided by the tech.

Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

As the devices grow in popularity, the Food and Drug Administration warned against trusting all the vital signs provided by the tech.

Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

As the devices grow in popularity, the Food and Drug Administration warned against trusting all the vital signs provided by the tech.

Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

As the devices grow in popularity, the Food and Drug Administration warned against trusting all the vital signs provided by the tech.

Smartwatches and rings can’t be used to track this vital sign, FDA warns. What to know

As the devices grow in popularity, the Food and Drug Administration warned against trusting all the vital signs provided by the tech.