CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. The Apple Watch Series 6 feels like it has perfected many of ...

Pulse oximeters measure blood oxygen level — how much oxygen is present in your blood and how well it is transported to the extremities (blood pressure monitors are different). Medical pulse oximeters ...

The bioengineer Takuo Aoyagi died in Tokyo in April, around the same time that people began clamouring to panic buy his 1970s invention, the pulse oximeter. Blood oxygen saturation, which pulse ...

Fitbit appears to be considering a new form for its health monitoring wearables based on a new patent registration filed last month. The Google-owned wearable-maker shared insights into a “ring for ...