As a paramedic, Rich Mogull has spent decades using pulse oximeters under extreme conditions and environments. While he found the Apple Watch Series 6’s blood oxygen sensor to be quite accurate with just a little focus on positioning, he explains why it’s hard to find the value and use cases for home blood-oxygen monitoring.

Apple has announced its next-generation Apple Watch Series 6 with a number of enhancements, notably a blood oxygen sensor and new bands. The company also unveiled a lower-cost Apple Watch SE.