Apple Watch Series 12 and Ultra 4 include a new Health Sensing System that dramatically improves heart rate data. The new system also includes a new Theater Mode setting that you may want to enable.
The new watches measure heart rate every five seconds, a big increase over the five-minute rate from prior models.
As a result, the green light behind the watch is pretty much always flashing now. It’s not something you’ll notice when you’re wearing your watch tight. However, you may see the green light if your band is a bit loose.
For that reason, the
We don’t just report the news, we deliver it through the voices of multiple expert staff writers, each selected to broaden our scope and deepen our storytelling.
