You can choose the way you want your event details to be shown: Tooltip, Popup, or None.
To set the style:
Go to the Wix Editor page.
Double click on the Calendar to open the Settings tab.
Go to the Settings section.
General > choose the way you want your event details to be shown.
Tooltip:
Choosing the Tooltip option, you have to click on the event to see the general info of the event.
Popup:
After clicking on the event, the Popup option opens the details of the event through a popup window.
None:
By clicking on the event, you will see no details of it.