We've tested and reviewed products since 1936. Read CR's review of the Fitbit Charge 5 fitness tracker to find out if it's ...

seven temperature sensors, and a new SpO2 sensor all contributing to a bigger, more accurate picture of your overall wellbeing. The main downside of the new ring is that several of its features ...

EN62020 can be interfaced with an array of ultra low-power biometric sensor front-ends for vital signs monitoring for healthcare and wearable applications. It is designed to be used alongside an edge ...