Fitbit's Charge 2 helps keep your heart in the zone
The update also lets you pause workouts and assists with breathing exercises.
Moov made a heart rate sensor you wear on your head
It’s supposedly more accurate than one you’d put on your wrist or chest.
The Caeden Sona stress-fighting tracker caused me anxiety instead
It's very pretty, though.
Broods used the Microsoft Band to create music-video magic
The wearable’s heart rate and temperature tracking added another layer to the video for “Heartlines.”
Withings Body Cardio: A stylish scale for fussy health nuts
It delivers all the data you could want, but it's one of the priciest models around.
Ralph Lauren made a great fitness shirt that also happens to be 'smart'
Finally, high-tech workout clothing that won't embarrass you... too much.
Consumer Reports backs Fitbit accuracy despite lawsuit
Tougher tests suggest the heart rate data is trustworthy.
Xiaomi's $16 fitness tracker gets a heart-rate monitor
Xiaomi's back with another super-cheap wearable.
Apple says the Watch's irregular heart rate tracking is intentional
When Apple trotted out its first update for the Watch, fitness mavens were alarmed at the suddenly...