④ Press and hold the physical button for 8 seconds to restart the watch.
How to wear and charge the watch
Wearing and replacing the watch strap
Put the strap on with comfortable looseness to allow the skin to breathe and
the sensor to function.
When measuring SpO
2
, avoid wearing the watch on the wrist joint, keep your
arm flat, maintain a comfortable (appropriately tight) fit between the watch and
the skin of your wrist, and keep your arm still throughout the measurement
process. When affected by external factors (such as arm sag, arm sway, arm
hair, and tattoo), measurement results may be inaccurate or the measurement
may fail with no output.
You can tighten the watch strap during workout and loosen it afterwards.
Tighten the strap appropriately if your watch sways on your wrist or fails to
output data.
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General
Weight and Dimensions
