How to use


YF20

Before connecting with a smartphone

About the display of the watch

This watch is equipped with an electronic paper display. Owing to the display, the watch can always indicate various information with little consumption of power reserve.
On the other hand, unlike an ordinary LCD, indication is not always renewed.

To see current total steps or other real-time data, you need to renew indication intentionally.

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Display indication is automatically renewed as synchronization of the watch and your smartphone starts with your operation such as opening the dedicated app.


You can turn on light for the display in a dark place.

Renewing indication on the display

Turn your wrist wearing the watch quickly to move the hands and renew indication on the display.

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Try again if the hands do not move.

Turning on the light

Tap the center of the display twice to turn on the light.

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The light is turned off automatically without any operation.

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Connection outline