Irvine, California-based Masimo Technologies, which makes non-invasive patient monitoring devices and sensors, has received FDA 510(k) clearance for its forehead sensor. The adhesive TFA-1 Forehead ...

Let's get the disclaimer out of the way first: I'm not a doctor. Nothing I'm going to tell you is backed by any medical training. You should definitely see your doctor before making any decisions, ...

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 ...

Oxygen is absorbed by a protein in your blood called hemoglobin. When you breathe, your lungs load up blood cells with oxygen, then the pumping of your heart circulates the oxygen-rich blood through ...

Oppo Watch S was launched in China by the tech firm on Thursday, along with the Oppo Find X9 series. The company also launched the Oppo Pad 5 during its October 2025 event. The new smartwatch will be ...

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 ...

Mountain View, California-based Beddr has launched Sleep Tuner, its first health wearable. The device is an FDA-registered sleep sensor, worn on the forehead, which measures blood oxygenation, heart ...

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 ...

Put simply, SpO2 is a measure of blood oxygen saturation. The more oxygen you have in your blood, the higher your SpO2 levels are going to be. Seeing as our bodies need oxygen to survive, we can ...