Amazfit W1919US5N T-Rex Smart Watch with GPS, Military Outdoor Sports Watch for Men,20-Day Battery Life, 1.3'' AMOLED Display,5 ATM Water Resistant, 14-Sports Modes, Heart Rate Sleep Monitor, Rock Black

User Manual - Page 7

For W1919US5N.

PDF File Manual, 19 pages, Read Online | Download pdf file

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Watch Wearing and Charging
Daily wearing: During daily use, it is recommended to wear the watch with a moderate tightness
at a distance two fingers far from your wrist to ensure that the optical heart rate monitor works
properly.
Wearing during workouts: During workouts, it is recommended to wear the watch comfortably
and ensure a tight fit without slipping. Being too tight or too loose may cause the detected workout
data to become inaccurate, so avoid doing this.
Charging
The watch charger's USB port needs to be plugged into a device that supports power supply
through USB, such as a socket, PC, power bank, etc.
When placing the watch onto the magnetic charging base, it's required to keep the watch in a
proper direction and position. Be sure that the metal contacts on the back of the watch are
closely connected to the charging base.
The screen will display a charging reminder when the watch is placed properly.
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