Heart-rate data is pumped in via an optical sensor on the rear of the watch, and despite the fact that the watch takes spot readings of your heart rate every ten minutes, battery life is excellent.
The Withings Steel HR isn’t a smartwatch. It’s just a smart-ish watch, and really just a fitness tracker, and that’s OK. It’s got analog hands, and a normal watch face.
24/7 Heart rate monitoring. Knowing your heart rate is good, but using it to improve your health is even better. Your HR can show you what you need to do to achieve your goals. With its 25 days of battery life, Steel HR takes readings around the clock to give a holistic view of your heart.
It is worth briefly discussing why Withings elected not to go for built-in GPS on the Steel HR Sport. It all comes down to battery life — this watch is designed for daily use, not just for half
Feb 01, 2017 · The Withings Steel HR is one of the finest-looking 24/7 fitness trackers with smartwatch features, but it falls short in its heart rate readings.
Author: Jill Duffy
Withings does the best it can with the small LCD on the watch, but this is one of the tradeoffs you get with a hybrid watch. Battery life. Withings advertises 25 days of battery life and actual