Brigmton BWATCH-100GPS-N-A-R Manual De Instrucciones página 41

After uploading, you can verify the data in Strava, as shown in the Image.
After the telephone authorization to Strava, the authorization account
number that was last used by default will be used when you re-share data.
If you wish to change your account or cancel your authorization, you must
go to the personal interface configuration (IOS) or the device configuration
interface (Android) to cancel the authorization:
HITFIT GPS FUNCTIONS
HitFit can show GPS independent sports features to the additional clock.
The GPS movement is based on the mobile positioning to obtain the
trajectory, therefore, you must open the positioning permission in the
APPLICATION before you can start exercising.