Not all fitness trackers can hang out in the deep end. If you want to count your laps with something you can wear in the pool, check out the best waterproof fitness trackers we've tested.

The Fitbit Versa 4 is water-resistant to 164 feet, which means you can wear it in the shower or while you swim (even in salt water) without issue. Fitbit advises against bringing it into a hot tub ...