Wrist pulse oximeters can look similar, making it hard to decide which one to buy. This in-depth guide covers everything you need to know to find your best fit.

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

A U.S. Customs ruling has allowed Apple to restore blood oxygen readings for U.S. Apple Watch buyers for whom the feature was disabled in early 2024. For these users, the redesigned approach works by ...

Apple removed blood oxygen monitoring from the Apple Watch in early 2024. Somebody has to blink for it to return, and it looks like neither Masimo nor Apple are going to budge. Blood oxygen monitoring ...

Wearable health sensors such as photoplethysmography (PPG) wristbands, ECG patches and multi-modal biometric devices are typically developed and calibrated under controlled laboratory conditions.

In natural waterways, wastewater treatment plants, or aquaculture – inaccurate dissolved oxygen measurement has direct ...