The MAX30105 is an optical sensor capable of a great many things ... Or, you can use it as a rudimentary way to measure your heart rate and blood oxygen levels. It’s by no means a medical ...

The smartwatch’s heart rate monitor acts as an electrode, and by touching your finger to the case / digital crown, you create a closed circuit. After a short period of time, you’ll be told ...

According to Cardiogram, its study is the first large-scale study that demonstrates how an ordinary heart rate sensor, like the one in the Apple Watch and other devices like the Fitbit ...

Google is adding heart and respiratory rate monitors to the Fit app on Pixel phones this month, and it plans to add them to other Android phones in the future. Both features rely on the smartphone ...

Find out more about how we test. The Polar H10 heart rate monitor first launched in 2017 and has quickly gained renown thanks to its accuracy and ease of use. Polar even calls it the 'gold ...