1、R36S Portable Game Console: Built in for Linux open source system, 3.5 inch IPS OCA fully laminated high definition MIPI screen with a resolution of 640*480, professional gaming CPU RK3326, 1.5Hz, 64 bit gaming system, capable of running large 2D and some 3D games smoothly! 2、Dual System and Dozens of Emulator: Built in for open source dual system, handheld game console supports dozens of emulators, with 4 L/R spring keys on the back, combined with a curved and grip design for better finger release. 3、High Capacity 3500 mAh Battery: The retro handheld game console is equipped with a 3500 mAh high capacity battery, with a safer two way protective charging discharging mode, allowing for continuous play for 4 hours when fully charged. 4、OTG Folding Port: The r36s retro game console can output to a large screen through a folding line(not included), and can connect to a gamepad for two player games through an adapter cable. 5、Dual 3D Joysticks: The game console is equipped with D pad game joystick, allowing for the selection of the best key combination for different games, enhancing the gaming experience. Item Type: Handheld Game Console Material: ABS Battery Type: Built in 3500mAh Li ion Battery (included) Memory: 64GB (supports 16-256G small memory card) RCPU: RK3326 (64 bit, Quad Core A35, up to 1.5Hz) GPU: for Mali-G31MP2, 520MHz RAM: 1GB DDR3L Screen Type: 3.5 inch IPS 640*480 Full Fit Screen Power Port: USB C OTG: Support (without OTG cable) Earphone Jack: 3.5mm Earphone Jack Speaker: Built in 8W Speaker System: for Linux 1 x Game Console 1 x Screen Protector 1 x Screen Protector Tool 1 x USB Cable 1 x User Manual