This $350 Oura Ring 4 Tracks Your Sleep. Is It Worth the Splurge?
The $350 Oura Ring 4 looks sleek and cool, and it may be useful for data-hungry health enthusiasts. But it failed this sleep-deprived parent.
from NYT > Technology https://ift.tt/o93pZUb
from NYT > Technology https://ift.tt/o93pZUb
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