Experience the thrill of classic gaming with this advanced NES/FC flash cartridge! Enjoy instant access to a massive library of over 1000 pre-loaded games, all ready to play. Powered by a high-performance Cyclone II FPGA chip and the latest OS V13, you'll enjoy incredibly fast load times – typically just 4-8 seconds per game! This cartridge is compatible with original US NES systems and many compatible machines. Experience seamless gameplay with automatic game flipping and the ability to save your progress at any point. It supports instant archiving, reading, and convenient SD card backups of your game saves. Plus, the mapper support is upgradeable via software updates from the SD card, ensuring future compatibility. Relive your childhood favorites and discover new adventures! Note: 1. Please use original console to play it. (Some of clone consoles couldn't run it, some good quality clone console can run it. Sowe recommend the original game console) 2. Make sure your game console slot is clean,Or you will get a black screen.