Best Smartwatches 2026: Top Fitness & Health Trackers Reviewed
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What health metrics can a smartwatch track in 2026?
Modern smartwatches track heart rate, SpO2, sleep stages, stress, ECG, skin temperature, menstrual cycles, and VO2 max. Premium models can detect irregular heart rhythms and falls.
Do smartwatches work with both iPhone and Android?
Most third-party smartwatches support both platforms via Bluetooth. Apple Watch requires an iPhone. Always verify compatibility with your specific phone model before purchasing.
How long does a smartwatch battery last?
Full-featured smartwatches typically last 1–3 days. Hybrid models with analog hands can last 14–30 days. GPS-intensive use significantly reduces battery life on all models.
Are smartwatches waterproof enough for swimming?
Most 2026 smartwatches are rated 5ATM (50 meters), which is sufficient for swimming and showering. Avoid hot showers and saunas even with waterproof models, as heat can degrade seals over time.
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