Parameters: System: open source system Built-in emulator: supports MAME/N64/PS1/NEOGEO/GBA/FC/SFC/MD/CPS1/CPS2/CPS3/PSP, etc. Screen size: 3.5-inch IPS OCA full lamination MIPI screen Resolution: 640*480 CPU: RK3326, ARM 64bit quad-core Cortex-A35 CPU up to 1.5 GHz GPU: Mali-G31MP2 (520MHz), supports OpenGL ES 3.2 RAM: DDR3L, 1GB TF card: 16G-256G Speaker: Built-in 8W cavity speaker Battery capacity: 3500mAh Input power: 5V/2A Battery Maximum power consumption: 5W Battery life: 8H Charging time: 2H Type-C charging interface: supports Type-C-OTG data port: supports Headphones: Standard 3.5mm port Features: 1. This handheld game console has more than 10,000 selected classic games 2. Smooth screen and high-precision joystick 3. It supports game download and collection, supports multiple emulators, covering a wide range of games 4. Support online battles and streaming media to meet your diverse entertainment needs 5. This handheld game machine is not only a game machine, but also a multi-functional entertainment equipment 6.IPS screen, presenting delicate and clear picture quality, more convenient operation and more user-friendly