
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...

Why is my smartwatch not syncing with my phone?
Discover why your smartwatch isn’t syncing. Fix Bluetooth, app permissions, and firmware issues quickly to restore connection.

How do I install apps on my Wear OS smartwatch?
Open the Play Store on your watch, search or browse a Wear OS app, then tap Install. You can also push apps from your Android phone's Play Store or the web, and updates arrive automatically. Advanc...

What is the best budget smartwatch under £100?
The best budget smartwatch under £100 is the Amazfit Bip 3 Pro for all-round value, thanks to built-in GPS, 14-day battery, and 5 ATM rating. If you prioritise a brighter AMOLED display, the Redmi ...

How long does a smartwatch typically last?
Most smartwatches last 3-5 years in everyday use, with batteries typically holding strong for about 2-3 years before noticeable decline. With careful charging and servicing, many reach 5-7 years...

Can I charge my smartwatch with a phone charger?
Yes, you can usually charge a smartwatch with a phone charger, provided you use the official charging cable or puck and a certified USB power adapter. Most watches regulate their own power draw and...
