Open source dual system compatible with multiemulator games. Portable joystick handheld game console. Travel and leisure moments are great choices and can be carried with you. 3.5inch color screen display. The 3.5inch screen ensures a good visual experience. With 3.5mm audio and typeC interface cross key + joystick dual control mode. The operation is simple and convenient. With a 16G memory and extra 64G TF card (builtin 10000 games) by selected. You can choose from a variety of games and have fun.