1. Turn the watch over, and you can see that there are four small holes in the middle of the back, which are the holes for installing the charging base.

2. Then, prepare a charging base matched with this phone watch and install it together with the hole in the middle.

3. When installing, pay attention to that the jack of the charging base and the vent hole of the watch core are on the same side. Just press it.

4. Then insert the USB charging cable of the matching telephone watch into the charging hole of the charging base for charging.