Cal. No. W770
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The illumination pattern on the app screen - screen appearing when connecting with the watch
The screen of the app shows illumination pattern when connecting to the watch and the pattern indicates current power generation amount of the watch.
The color of the pattern indicates the amount and it changes gradually from blue → yellow → red as the amount getting larger.
The pattern in the screen shows that the current power generation amount is almost full.
The watch is in an ideal environment for charging.