At first glance, the Whoop might look like a bracelet (or sporty ... you might not want to deal with a sweaty strap tucked under your sports bra. On the other hand, smart rings, worn on your ...

$349.00 Amazon WHOOP 4.0 with 12 Month Subscription Our Take The Whoop strap can track both cardio and strength activities, and offers coaching advice on how much to work out and how much to sleep.

allowing users to exercise and track strap-free. The Whoop 4.0 is 33% smaller than the 3.0. However, it now totes 4x the number of photodiodes on the sensor, and 5 LEDs that use green, red ...

Our favorite overall sleep tracker is the Whoop 4.0 Band, thanks to its in-depth sleep information and personalized recommendations. With no buttons or screens on the band, Whoop looks simple at ...

The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. Here’s something that will annoy 99 per cent of parents ...