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Lastgreen

macrumors member
Original poster
Oct 19, 2017
85
11
As the title suggests... my dad is in his 50s right now and I wanted to get something to keep track of his heart. which would you suggest
 
As the title suggests... my dad is in his 50s right now and I wanted to get something to keep track of his heart. which would you suggest

There’s no difference in the sensor for S1 vs. S3.
 
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