At the first time, you must provide your gender, age, height and weight and other information honestly and accurately.

The displacement of the watch in space can be detected by the integrating accelerometer so as to determine whether new steps are generated.if you are in the car or driving the car, or if the road surface is rough, new steps may be generated. For non-iOS system: Open the app, Me, Permissions, Notification Permissions, find SMARTTIME-PRO, open the permission so that the app can obtain the notification permission. Turn on the watch and swipe down to check if the connection status of the watch is only displayed in blue. The watch is no longer waterproof (It cannot be used at a water temperature above 40°C, as this can easily cause a short circuit due to water penetration).

We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.This user manual provides instructions on how to connect the watch to your phone, troubleshoot Bluetooth connection issues, and sync data with the Da Fit app. Note: individual differences such as skin color, hair, tattoos and scars can also affect the HR signal, despite correct wearing of the watch.