Why does my smartwatch get hot while charging?
Your smartwatch gets warm while charging because energy losses in the battery, coil, and power chips turn into heat. Wireless charging is typically 60 to 75 percent efficient, so the rest becomes h...
Which smartwatches work with both iPhone and Android?
Yes - many third-party smartwatches work with both iPhone and Android, including Garmin, Fitbit, Withings, Amazfit, Polar, Suunto, Coros, and Huawei. Apple Watch 11 is iPhone only, and Samsung Gala...
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...