Change Two last item in an ion list

Ionic Framework ionic-v3
1

I have an ion-select element and my last two items (configuration/pairing) should be buttons instead of radio buttons?

Here’s my popover

Here’s my HTML

     <ion-select interface="popover" [ngModel]="selectedUser._id" (ngModelChange)="selectUser($event)" >
        <ion-option *ngFor="let user of users" [value]="user._id">
          <ion-content>{{ getUserName(user) }} </ion-option>
          <ion-option>Configuration</ion-option> 
          <ion-option>Pairing</ion-option>
      </ion-select>