What this product is
Galaxy Watch9 is a device sold by Samsung.
From the maker's page. See the maker's page ↗ We don't repeat the maker's health claims.
What it measures
The maker says its BioActive sensor tracks health data, and its Vitals feature tracks health patterns and sleep. samsung.com ↗
How well it works in independent tests
Notebookcheck found hardly any differences from reference devices for heart rate, oxygen saturation and blood pressure. notebookcheck.net ↗
Subscription
Trusted Reviews says Samsung Health tracking comes without a subscription fee, though Notebookcheck notes some third-party workout content requires payment. trustedreviews.com ↗
Battery life
Consumer Reports' lab test found the watch lasted 40 hours under typical daily use and took 126 minutes to charge. consumerreports.org ↗
What the maker offers
It comes in 40mm and 44mm sizes, with Bluetooth and LTE versions; the 40mm starts at $379.99. wareable.com ↗
Each line rests on a passage quoted word for word from the linked page (hover the link to see it). Accuracy comes only from pages independent of the maker.
About this kind of device
Fitness trackers: watches, bands and rings
Smartwatches and fitness trackers are wrist-worn monitors that people commonly use to count their steps each day.
Main risk: The pages stress that wrist-worn monitors may not count steps as accurately as hip-worn pedometers.
Research stage 2: small studies in people. What it measures and the research →
This is research on this kind of device in general, not proof that this model is accurate or right for you.
Outside reviews
No independent reviews of this product found yet.
This is general information gathered from the sources listed, not medical advice. Talk to your doctor before starting anything new.