Smartwatches track heart rate, steps and sleep reasonably well — but not precisely enough for medical use. Here's what you…
Smartwatch BlogMost smartwatches are water resistant, not waterproof — and the difference matters. Learn what IP67, IP68 and ATM ratings actually…
Smartwatch BlogSmartwatches track heart rate and flag irregular rhythms, but can't diagnose a heart attack. Here's what ECG alerts can and…
Smartwatch BlogSmartwatches emit non-ionizing Bluetooth radiation — far lower than a phone. Current research shows no evidence linking them to cancer.…
Smartwatch BlogFrom the 1972 Pulsar to the Apple Watch and Wear OS 3.0 — here's the complete history of the smartwatch,…
Smartwatch BlogHow smartwatches track sleep — from accelerometers and heart rate sensors to SpO2 and sleep stages. Plus, how accurate they…
Smartwatch BlogA hybrid smartwatch combines analog watch design with smartwatch features — notifications, heart rate, sleep tracking — on a battery…