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About blood oxygen

I want asking about blood oxygen? When you will available for Apple Watch 4 ?

Apple Watch Series 4, watchOS 7

Posted on Dec 15, 2020 9:39 AM

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Posted on Dec 15, 2020 10:18 AM

It's only available for apple watch 6 because new hardware is required that the the watch 4 doesn't have.

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About blood oxygen

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