Whoop, the premium wearable favoured by athletes, celebs, and myself, is currently free to try. Check out this deal today.

“Fitness trackers offer a ton of benefits—they can monitor your heart rate, track your workouts, count your steps, analyze ...

Sleep trackers examine all aspects of your sleep from your heart rate to your snoring, helping you create a better sleep ...

All these metrics are tracked by the waterproof band and battery. When you first purchase a WHOOP 4.0, you’ll get a 12-month membership included that helps you keep track of all your data.

The Whoop is a fitness tracker ... Even with the decrease in size, the 4.0 still has the same five-day battery life as its predecessor, the 3.0. I found I needed to charge twice a week so the ...

Big whoop. Then I got one and actually used it ... Beyond the standard watts/amps/volts, you get the capacity of the battery you’re charging, direction of the current, the maximum watts ...

Body Battery combines heart rate variability ... Other devices, such as the Oura Ring 3 or WHOOP Strap, have a similar ability to measure HRV and output a “readiness” score.

Over the past year or so, I've really gotten very interested in smart rings. Because they give me a way to continue tracking my health stats, without ...