But if you're serious about your swimming, or you tend to sweat excessively, a regular watch may not survive that moisture.

If you’re the owner of a shiny new Oura Ring 4, or indeed an older Oura Ring Gen 3, then you might be wondering whether it’s waterproof, and whether you can take your Oura for a swim.

It is waterproof and comes with a swim tracker ... (Black) The Garmin Swim 2 fitness tracker is considered to be one of the good options for swimmers. It comes with a Pool swim mode that is ...