Apple has released details regarding the specifications and features of its upcoming iPhone Duo device. According to the report, the outer display of the device is confirmed to be 5.4 inches in size.

The filing indicates that the iPhone Duo is designed to be compatible with the Apple Pencil. This functionality suggests that the device will support stylus input for drawing, writing, or navigation.

Additionally, the company has disclosed that the device will support multiple applications running simultaneously. The report specifies that these apps will appear in separate windows, a feature intended to enhance productivity for the user.