I think it's a general limitation of the optical heart rate trackers that they a... | Hacker News

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deong on Sept 9, 2014 | parent | context | favorite | on: The Apple Watch

I think it's a general limitation of the optical heart rate trackers that they aren't quite "24/7". At least on all the Android Wear devices that feature one, you have to ask it to take a reading, and it's pretty unreliable if you're moving. I didn't see it mentioned in the Apple coverage, but I assume it's probably similarly limited there?

gallamine on Sept 9, 2014 [–]

My Basis watch takes readings regularly (not sure the interval once a minute, maybe) of my heart rate. Battery lasts about 3-4 days.

zimpenfish on Sept 9, 2014 | [–]

I would have bought one since that's exactly what I want but they're -still- not shipping outside the US. Think they may have missed their chance now...

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