1. Built-in emulator: support MAME, N64, PS1, NEOGEO, GBA, FC, SFC, MD, CPS1, CPS2, CPS3, PSP and other platforms, and is compatible with the mainstream 64-bit 3D emulators 2. Screen: 3.5 inch IPS resolution 640 x 480 3. CPU: RK3326 ARM 64bit quad-core Cortex-A35 CPU 1.5GHz 4. GPU: Mali-G31MP2 (520Hz) support OpenGLES 3.2 5. RAM: DDR3L 1GB 6. TF card: support 16G-256G 7. Speaker: Built-in two 8-cavity speakers 8. Battery capacity: 3000mAh 9. Input: 5V2A 10. Power consumption: 5W 11. Battery life: about 8H 12. Charging time: about 2H 13. Charging port: Type-C 14. Headphone jack: standard 3.5m port Features: 1. Reasonable distribution of buttons and holes, easy to understand 2. Four LR buttons on the top, button curvature and layout, grip more comfortable 3. Silicone anti-slip pad treatment at the bottom, not slippery hands when using it 4. Completely open source system, support JELOS, ARKOS, ROCKNIX, support dozens of simulator games, any upgrade, you can easily play 64-bit 3D games 5. Left and right joystick distribution, exquisite curved surface design, can play better operation in the corresponding games. 6. 3.5-inch IPS OCA fully laminated HD MIPI screen with 2.5D glass cover, 640 x 480 high resolution, better eye protection for long time game playing. 7. With external battery compartment, easy to replace the battery, using charge and discharge bidirectional protection, safer to use 8. Support dual TF card design, system card and game card separately, upgrade the system without copying the game