Why it matters: O2 sensors feed critical data to your ECU, helping maintain the ideal air-fuel ratio for performance, efficiency, and emissions control. Reading the signals: Healthy upstream sensors ...

Smarter fault detection: AI-assisted scanners and apps now analyze sensor data, run tests, and suggest targeted repairs instead of just listing codes. DIY tools expand: Bluetooth OBD2 adapters and ...

Wearables can bridge the communication gap between the body and a computer. They can serve various purposes, from displaying real-time narration from actual speech, to generating readable, measurable ...

Every time you pull into a gas station, you feel it - that quiet sting as the fuel counter clicks higher and higher. For ...

Oura Ring 4 combines a sleek design with one of the smartest wellness apps, which turns raw health data into meaningful, ...

The Samsung Galaxy Watch 7 is the standard model in Samsung’s previous-generation smartwatch line, the regular sibling to the Classic version with the rotating bezel. The Watch ...

After using the Oura Ring 4 for a while, I realised this is not trying to replace a smartwatch. But can it justify its price ...

The Apple Watch Series 11 is Apple's latest flagship Apple Watch, released in September 2025. The Apple Watch Series 11 is ...

The Indian smartwatch market has never been more exciting or more competitive. Very often, we get new options, yet one device has risen above the noise to redefine what buyers can expect from a ...

I spoke with a doctor at Apple to learn more about the Apple Watch health features that you might not currently be using to support your wellness.

Vanessa is a lead writer at CNET, reviewing and writing about the latest smartwatches and fitness trackers. She joined the brand first as an on-camera reporter for CNET's Spanish-language site, then ...

The Oura Ring is capable of measuring a wide range of health metrics, including an important measurement using an embedded red light sensor.