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Apple Watch Series 12 and Ultra 4 Reviews: Look Out, Oura Ring
The first reviews of the Apple Watch Series 12 and Apple Watch Ultra 4 are now available ahead of the devices launching this Friday, September 18. While both new Apple Watches look virtually identical to the previous-generation models on the outside, there are a handful of upgrades this year. For example, a more powerful S11 chip and larger LEDs on the optical heart sensor enable more accurate and frequent heart rate sensing, and HRV is now measured up to 24 times more often.
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