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The Oculus Quest uses a Qualcomm Snapdragon 835 system-on-chip (SoC) with 4 GB of RAM. Three of the four 2.3 GHz CPU cores of the chip are reserved for software, while the remaining core and its four lower-power cores are reserved for motion tracking and other background functions. It runs operating system software based on Android Open Source Project (AOSP) source code.* Diamond Pentile OLED display is used for each eye, with an individual resolution of 1440 × 1600 and a refresh rate of 72 Hz.* Supports positional tracking with six degrees of freedom * Infrared diodes on the Oculus Touch controllers are tracked via four wide-angle cameras built into the front of the headset* Passthrough ability to view a grayscale picture from the cameras when the player exits their defined playing area * embedded speakers, as well as a pair of 3.5 mm audio jacks on each side for use with external headphonesThe Oculus Quest uses second generation Oculus Touch controllers. Their designs were modified to accommodate Oculus Insight, with their tracking rings moved from the back of the controllers to their tops so that they can be tracked by the headset's cameras.