Those of you who have read my review of the Fitbit Blaze or my other activity tracker articles (Misfit, Amiigo) know that I'm a huge fan of Fitbit and I'm also a frequent casual swimmer. Unfortunately, that hobby and my favorite activity tracker of 3+ years could not co-exist previously because Fitbit never had a swim-proof tracker. Sure, you could, theoretically wear one of its recent trackers while taking a shower or a quick swim, which I did with my Blaze last week by mistake without any harm to it, but it's neither condoned nor guaranteed to still work afterward.

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