I’ve been wearing the Whoop 4.0 strap for 6 months — what I love and hate
The Whoop Strap 4.0 feels a lot like a personal assistant who’s always taking notes. It’s an optical heart rate monitor that most users wear on their wrists (though I wore mine primarily on my bicep. More on that in a moment) as it tracks some of your body’s most useful health indicators. Once all…