The Surface Duo is a phone-tablet-like device that features two 5.6-inch OLED displays connected using a 360-degree hinge design, which, when together, create an 8.1-inch canvas with a 3:2 aspect ratio running Android 10. Inside, there is a Qualcomm Snapdragon 855 processor with 6GB of memory and up to 256GB of storage. A two-piece 3577mAh battery behind the two displays capable of up to 15.5 hours of video playback, up to 27 hours of talk time, and up to 10 days of standby battery. You can check the full list of tech specs in this guide. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.