permissions do not affect the flow of the phone or other information on the phone.
4.3 Some Android phones may accidentally close the app when cleaning the applications. Please
keep the app running in the background.
Android phone settings (background running method): open the phone settings - application
management – LinkTo Sport - Rights management - Backstage management - select background
running. (The setting method may be different due to different mobile phone versions and models).
4.4 Heart rate monitoring requires that the watch and arm are in contact, and the watch should
not be too tight or too loose. The test may be inaccurate if it is too tight because it will affect blood
flow, and if it is too loose because it will affect heart rate sensor monitoring.
4.5 Avoid hitting the smart watch, it could break the glass.
4.6 Use 5V, 1A for charging. This product does not support fast charging. Do not charge if the watch
has water (or sweat) to avoid short circuits and damaging the product.
4.7 This product is an electronic monitoring product, not for medical reference.
5.
Troubleshooting
In case there is a problem when using the smart watch, please solve it accordingly to the following
steps. If the problem is not solved, please contact the seller or designated maintenance personnel.
5.1
The watch cannot be turned on:
5.1.1 Press the display touch area for over 3 seconds.
5.1.2 Make sure there is enough battery. Battery power may be too low, please charge it.
5.1.3 If the smartwatch has not been used for a long time and the normal charger does not
respond, please try charging it with an output power of 5V/1A.
5.2 It shuts down automatically:
5.2.1 Battery power may be too low, please charge it.
5.3
Short battery life:
5.3.1 It may occur when the battery has not been fully charged, please ensure the is enough
time for charging (at least 2 hours is required).
5.3.2 Charger or data cable may not work properly, please change to new ones.
