Reply to post: Re: Why?

Photoplethysmography up

Anonymous Coward
Anonymous Coward

Re: Why?

I suppose it would be useful as an alarm in case you had restricted oxygen due to a carbon monoxide getting into the passenger cabin of your car, because you won't know it until you lose consciousness. But yeah, it isn't like its useful for workouts in the way tracking heart rate is.

POST COMMENT House rules

Not a member of The Register? Create a new account here.

  • Enter your comment

  • Add an icon

Anonymous cowards cannot choose their icon

Biting the hand that feeds IT © 1998–2021