Parameters: System: open source system Built-in emulator: support 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 1.5GHz GPU: Mali-G31MP2 (520MHz), support 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: support Type-C-OTG data port: support Headphone: 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 Downloading And Collecting Games, Supports Multiple Emulators, Covers A Wide Range Of Games 4. Support Online Fighting And Streaming Media To Meet Your Diverse Entertainment Needs 5. This Handheld Game Machine Is Not Only A Game Machine, Or A Multi-functional Entertainment Equipment 6.IPS Screen, Presenting Delicate And Clear Image Quality, More Convenient Operation And More User-friendly