It can be linked with some applications and services.
Please access the our exclusive web page and log in using your CASIO ID.
<https://cws.casio-intl.com/landing.html>
On the web screen, select "Settings" and then service you want to link to external applications, login or register for each applications and services.
From the application, select Other> Settings> and then service you want to link to external applications, log in or register for each applications and services on the our exclusive web page or application.
For details, please check the website of each application or service you want to link.