Xiaomi Watch S4 - Black - 41mm

Open the Xiaomi app, go to the watch face settings, and choose from the available options.

The watch is water-resistant up to 50 meters, suitable for swimming but not for diving or other high-velocity water activities.

The battery can last up to 8 days with typical use.

No, you cannot answer calls directly on the watch, but you will receive notifications.

Open the Xiaomi app, go to the watch settings, and check for software updates.

You can use standard straps. Check for the appropriate watch size, which is 41mm.

Ensure the watch is charged. Try a different charging cable or outlet.

Make sure Bluetooth is enabled on your phone and the watch is within range. Restart both devices.

Ensure the watch is worn correctly and snugly on your wrist. Update the watch software and app.