Engineers are in the early stages of harnessing Wi-Fi as a way to monitor heart rates, but don't expect to use your home router anytime soon. When you purchase through links on our site, we may earn ...

Walmart has massively marked down a highly-rated pulse oximeter that's designed to monitor your heart rate and blood oxygen levels whether you're at home or playing sports. If you want a better ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...