How the new Apple Watch sensors affect battery life

Macworld ·
Apple

Macworld Apple has radically overhauled the fundamentals of health tracking with the new Apple Watch Series 12 and Ultra 4 . They have new sensors that are larger and take readings more frequently. During the day, the Series 12 and Ultra 4 measure heart rate every five seconds instead of every five minutes. Heart rate variability is also measured more frequently: every five minutes instead of…

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