If you want to create a device-specific preview, you can group multiple devices into
         a bundle and designate a representative device for the bundle. The user agent of the
         representative device generates a preview for all the bundled devices.
To add a new device bundle and devices:
- Navigate to .
- Ensure that the Enable Mobile Devices Emulation checkbox has
               been selected.
- Click the Add new Device Bundle button (+). A new device
               form opens.
- Enter a name or partial name for the device in the Name
               field.
- Click Add Devices.
- Select a device (or multiple devices) from the Select Mobile
                  Devices dialog. Note In the Search field, you can modify the
                  device name that you provided , then click the Search icon. A list of device
                  bundles that meet your search criterion will display.  
- Choose the appropriate device(s) from the list.  
 Tip Use the keyboard shortcut Ctrl+Click to select multiple list
                  items.  
- Click Select.
- Click Save. The new device bundle name(s) displays in the
                  Select Device Emulation drop-down menu in the
                  Preview and Design tabs.
To add more devices to a bundle:
- Click Add Devices.
- Select a device (or multiple devices) from the Select Mobile
                     Devices dialog.
- Enter a device name or partial name in the Search field,
                  then click the Search icon.
- Choose the appropriate device from the list.
- Click Select.
- Click Save.
The first device you add to the bundle automatically becomes the representative
               device, but you can change the representative device at any time. The flag icon
               indicates the representative device.