is a senior reporter and author of the Optimizer newsletter. She has more than 13 years of experience reporting on wearables, health tech, and more. Before coming to The Verge, she worked for Gizmodo ...

GE HealthCare is recalling 7559 TruSignal arterial oxygen saturation (SpO2) sensors because of problems that may reduce defibrillation energy, expose patients to unintended voltage, or give inaccurate ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you're not familiar with SpO2 tracking, this reading measures your blood oxygen saturation ...

Google's smartwatch has caught up to its competitors by activating its SpO2 sensor. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Google ...

The Apple Watch’s SpO2 sensor that allows wearers to measure their blood oxygen levels was impressive when it first debuted, but it may be even more accurate than initially marketed. According to a ...

This regulatory milestone follows news from earlier this year, when the company announced positive verification study results ...