Vuetify combobox - How to disable typing in vuetify's combobox

Combobox:

The v-combobox component is a v-autocomplete that allows the user to enter values that do not exist within the provided items. Created items will be returned as strings.

So if you want to disable the typing you should use a select: https://vuetifyjs.com/en/components/selects

Select fields components are used for collecting user provided information from a list of options.