Those little gadgets can track swimming activity too.. . The heart rate monitor is a nice bonus, as many waterproof trackers do not support that particular feature.
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Here is a breakdown of the best waterproof heart rate monitors to take with you to. whether it is with a waterproof fitness tracker or an old fashioned log book, .
Here's your guide to the best waterproof fitness trackers for swimming.. While there is no heart rate monitoring, Garmin also does produce a chest-strap heart .