Fitbit patents a blood pressure monitor built into a smartwatch
Fitbit files patent for blood pressure using force-sensitive display - The Verge
Amazon.com: Fitbit Luxe-Fitness and Wellness-Tracker with Stress Management, Sleep-Tracking and 24/7 Heart Rate, Black/Graphite, One Size (S & L Bands Included) : Sports & Outdoors
Does Fitbit Track Blood Pressure? Complete Guide! - Chronoat