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Best smartwatch 2021: Top picks for every budget

The best smartwatches do more than show notifications on your wrist. They’re everything in one: a fitness tracker for getting healthier, a digital wallet and in some cases, even a phone on your wrist.

A smartwatch can also save your life with elevated heart rate alerts and automatically connect you to emergency services if you fall. Electrocardiogram (ECG) and blood oxygen (SpO2) readings are perks of certain premium models, too. The former detects signs of atrial fibrillation, while the latter is a good indicator of respiratory health.

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