Devices
Settings > Devices list devices and their dimensions. You can select these devices from the Dimensions drop-down list in device mode.
Add a device to the Devices list
To add a device to the list:
In the Device tab, enable the checkbox next to a device you want to add.
Add a custom device
If you don't see a device you want to test, add a custom one:
In the Device tab, click Add custom device.
Specify the device details, for example, as shown on the screenshot:
ImportantFor more information on what to specify, see User-Agent Client Hints.
Click Save. Your device is enabled by default and you can select it from the Dimensions drop-down list in device mode.
To edit or remove a custom device you added, click or buttons that appear on hover.