Built-in handheld game console - 2500 games compatible with the open-source Linux system, fully supports PSP, N64, NDS, PS1, CPS1, CPS2, FBA, NEOGEO, NEOGEO POCKET, GBA, GBC, GB, SFC, FC, MD, SMS, GG, MSX, PCE, WSC, ported games, and over 20 game formats. 64GB Micro SD card with over 2500 pre-installed games and support for user-added games, expandable up to 256GB. 3.5-inch IPS screen: The 3.5-inch high-definition IPS screen offers a very clear display. Double protection with tempered glass, scratch and drop resistant for better durability, providing a wonderful gaming experience and better eye protection. Large capacity 3900mAh lithium battery: Built-in high-capacity 3900mAh lithium battery. Long standby time and long battery life. Supports up to 8 hours of gameplay. Supports fast charging via USB cable, providing plenty of enjoyment during travel or long journeys. Upgraded Chip: The console uses the RK3326 chip, which eliminates frame drops in games and ensures smooth gameplay, resulting in more fluid graphics.