Double 3D Joystick: The RGB20SX Handheld Game Console is designed with cross direction keys and dual joysticks, allowing you to select the optimal control scheme for different games, enhancing your gaming experience. The console features real spring four-plate L and R keys on the back, combined with an exquisite curvature and grip craft design, providing comfort and precision to release your fingers for a superior gaming state. High Resolution Screen: Enjoy a stunning visual experience with the 720x720 high-resolution screen. The 4-inch IPS HD fully laminated color display offers clear picture quality and a wide viewing angle. Its delicate and soft colors effectively reduce eye fatigue, ensuring high fluidity and no lag during gameplay, making it perfect for extended gaming sessions. Powerful Chip: Powered by a professional ARM quad-core 1.8 GHz open-source chip, the RGB20SX can easily handle large 2D and some 3D games. It supports 11 major emulator games, including MD, MAME, SMC, CPS, and SMD, providing a versatile gaming experience across various platforms. Small Memory Card: The console includes small memory card expansion slots, allowing you to store games, videos, songs, pictures, and other files. This feature ensures you have ample space to keep all your favorite media and games at your fingertips. Powerful Longevity: Equipped with a removable 5000mAh polymer battery, the RGB20SX offers intuitive battery status visibility. The battery features two-way protection to ensure safer charging and discharging. A full charge provides up to 4 hours of continuous playtime, delivering strong battery life for uninterrupted entertainment.