The only drawback with the Oura ring is that for some, this smart ring can be expensive. But with Black Friday sales already ...
Amazon has also undercut manufacturers a few times during the holiday shopping season. For example, the Galaxy Watch 7 is ...
The GHI put this celeb-favourite smart ring to the test. Read our full review to find out if lives up to the hype... and you can get £200 off this Black Friday!
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