Features: 3.5-inch IPS full-fit screen with 640*480 high-clear resolution, bringing you the ultimate visual experience. Open source Arkos system, dual card slot design, convenient for you to switch games at any time. Supports external WIFI module, dual-band 2.4G 5G, making your gaming experience smoother. The hand feel is biased towards the arcade experience design, which conforms to the arcade control layout, making your PK clearance easier. 3500mAh high-voltage polymer lithium battery, long-lasting battery life, uninterrupted gaming experience. Supports dozens of emulators, up to PSP, supports tens of thousands of games, meeting your various gaming needs. Note: 16G memory game console system without games. Specification: Optional color: Black / Orange / Blue Optional memory: 16G / 16+32G / 16+64G / 16+128G System: Open source Linux Screen: 3.5 inch IPS OCA full fit 640*480 RAM: DDR3L(1GB) CPU(RK3326): ARM Quad Core High Performance Open Source Chip Built-in lithium battery: 3500mAH Maximum power consumption: 5W TYPE-C Fast Charging: Support Battery life: About 8 hours Input power: 5V/2A Charging time: 2 hours Built-in cavity horn: 2W OTG-USB: Support Headset: Standard 3. 5MM Games: Support MAME/N64/PS/CP3/NEOGEO/GBA/NES/SFC/MD/NDS... Product size: 12*8.2*3.5cm Product weight: 0.18kg Package size: 13.5*12*4.6cm Package weight: 0.3kg Package list: 1* Host 1* Charging Cable 1* Instruction manual