Top fitness brands are launching screenless trackers to keep you focused, not distracted. I tested the Polar Loop to see if it delivers on its promises.

Google's latest crop of hardware, released at its Made by Google 2025 event, including phones, earbuds, and of course, the Google Pixel Watch 4. Similar to the Samsung Galaxy Watch 8 or Apple Watch ...

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There are forearm-based heart rate monitors, wrist-based heart rate monitors, smartwatches, fitness trackers and even ...

Not everyone needs a heart rate monitor that has all the bells and whistles, most riders are just looking for a simple and affordable method of heart rate tracking while riding. That doesn’t mean ...

From chest straps to wrist-based wearables, these are the top heart rate monitors I've tested and recommend buying.

Abstract: Photoplethysmography (PPG) is a widely used, noninvasive method for monitoring cardiovascular parameters in wearable devices. However, wrist-based PPG signals are often affected by motion ...

Capturing vital signs To collect the data needed to evaluate Pulse-Fi, the team placed seven people — five male and two female — between two single-antenna ESP32 devices. These microcontroller devices ...

Since releasing the world’s first wearable heart-rate monitor in 1982, Polar has been at the forefront of endurance sport technology. That quality continues to run through its devices in 2025 and, ...

OpenAI is rolling out app integrations for its chatbot, which one exec calls the 'evolution of ChatGPT [into] something that’ll be a bit more like an operating system.' ChatGPT can now run third-party ...