
How do I change the watch face on my smartwatch?
Press and hold your current watch face, swipe through options, and tap to set one. To add more, open your phone's companion app, pick a design, customize complications, then sync. You can switch fa...

What do the health metrics on my smartwatch mean?
Your smartwatch translates optical and motion signals into practical guidance. Metrics like heart rate, HRV, VO2 max, sleep stages, SpO2, temperature, and stress scores estimate effort, recovery, a...

How do I reset my smartwatch to factory settings?
To reset a smartwatch to factory settings, back up your data, then use the Settings menu to erase all content and pair again. On iPhone or Android, you can also reset through the companion app. A f...

Which smartwatch has the longest battery life in 2025?
In 2025, Garmin Enduro 2 lasts longest: up to 34 days per charge, 46 days with solar, and 77-172 days in expedition. For non-solar endurance, COROS Vertix 2 reaches up to 60 days. These outlast App...

Can I use my smartwatch for running without a phone?
Yes - many modern smartwatches can track your runs accurately without a phone. With built-in GPS, optical heart rate, and offline music, you can record distance, pace, and routes, while listening t...

How does heart rate monitoring work on a smartwatch?
Smartwatches measure heart rate using optical sensors that track blood flow changes under your skin. Green or multiwavelength LEDs shine light, photodiodes capture the reflected signal, and algorit...
