Samsung Galaxy Watch9 review: battery life, Snapdragon SW6100 performance, and new health metrics — plus whether upgrading from the Watch8 is worth $380.
A new AI-powered blood test can flag heart disease risk years before symptoms appear -- here's how it works and what it means for routine checkups.
Sony's Reon Pocket Pro Plus wearable neck cooler has started shipping in the US for .99. Here's how the Peltier-based tech works and whether it's worth it.
Looking for a smartwatch that won't break the bank? These are the best budget smartwatches under $100 in 2026, tested for battery, tracking, and value.
🛒 Check PriceGoogle Fitbit Air review: is the $99 screenless tracker with AFib alerts and no mandatory subscription worth it over Whoop? Full breakdown.
🛒 Check PriceMost fitness trackers now gate core metrics behind a monthly fee. Here's how to pick one that gives you full data for free in 2026.
Why is your smartwatch heart rate sometimes wrong? How wrist optical sensors measure your pulse, when they're least accurate, and what they still do well.
Smartwatch sleep score accuracy: why the number is probably wrong, how wrist trackers actually estimate sleep, and the one thing they measure well.
Smartwatch vs fitness tracker in 2026: what each does best, why battery life is the real divider, and which one fits you.
