1、DOUBLE 3D JOYSTICK: Equipped with cross direction keys combined with double joysticks design. You can choose the best keys according to different games to enhance the gaming experience. The back of the real spring four plate L R keys, combined with exquisite curvature and grip craft design, better release your fingers to achieve a better game state. 2、HIGH RESOLUTION SCREEN: 720x720 high resolution screen, clear picture quality, wide viewing angle. 4 inch IPS HD fully laminated color screen with delicate and soft colors, effectively reducing eye fatigue, high fluidity, no lag. 3、POWERFUL CHIP: Equipped with a professional game chip ARM quad core 1.8 GHZ open source chip, 64 bit can easily run large 2D and some 3D games. Support 11 big simulator games for MD, for MAME, for SMC, for CPS, for SMD, etc.. 4、SMALL MEMORY CARD: This handheld game console has small memory card expansion slots, which can store games, videos, songs, pictures and other files. 5、POWERFUL LONGEVITY: Built in 5000MAH polymer battery is removable, convenient for you to see the battery status more intuitively. The battery adopts two way protecting to ensure safer charging and discharging. One full charge can be played for 4 hours, strong battery life. Item Type: Handheld Game Console Material: ABS Screen Size: 4 Inch IPS Small Memory Card: Ships With Two Small Memory Card Battery Capacity: Li Battery 5000mah (Built In) Color: Transparent Black 1 x Handheld Game Console 1 x Charging Cable 1 x Instruction Manual