According to Windows Central, the device will also feature a single 11MP camera sensor above the right display that will be used for both front and rear-facing photos and videos.
The smartphone houses two equal-sized 5.6-inch AMOLED displays. Each screen offers a 4:3 aspect ratio, 1800 x 1350 pixels resolution and 401ppi pixel density.
Surface Duo's two displays held together with a fully rotating hinge that can be adjusted to any angle and recently patent for this particular hinge mechanism has been published by the World Intellectual Property Organisation (WIPO).
The device is loaded with Android 10 OS and is expected to come with apps from Microsoft.
Surface Duo will ship with a 3460mAh battery and will feature USB-C fast charging.
It won't support 5G, maxing out at 4G LTE speeds instead. It is also speculated that the device lacks support for wireless charging and NFC.