Dialog bluetooth wireless chip, the model is wrapped in glue and cannot be seen clearly.
Some let you display different stats, while a couple only let you select the primary and secondary time zone.
The bottom case of the watch is fixed to the middle frame of the watch with Torx screws.
Important components are provided with metal shields, and copper foils are provided on the metal shields to assist heat dissipation.
After cleaning the white glue, the motherboard circuit.
Once you start a workout, the watch will guide you through different workout stages.