Does Fitbit Track Blood Pressure? Complete Guide! - Chronoat
Fitbit files patent for blood pressure using force-sensitive display - The Verge
Mgaolo Fitness Tracker with Blood Pressure Heart Rate Sleep Monitor for Men and Women,Waterproof Activity Tracker with Pedometer Compatible with Fitbit Android and iPhone (Black), Activity Trackers - Amazon Canada
Fitbit patents blood pressure monitor that packs some clever smarts