1. Play game copies without client patching 2. Built-in high-speed patching engine for instant loading; includes manual patching engine compatible with modified ROM files 3. Hardware saves directly to SD card, no battery required for save functionality 4. Instant archiving 5. Real-time clock support 6. Customizable additional function hotkeys 7. 256MB high-speed PSRAM for instant loading and smooth gameplay across all games 8. Includes 512MB high-speed NOR flash storage for frequently played games 9. GB/GBC games can be played directly by copying ROMs to the SD card without additional emulator packaging 10. Chip features built-in safe recovery mode to prevent damage during flashing 11. Supports FAT16, FAT32, and exFAT file systems; compatible with 2GB–128GB SD cards 12. Both cartridge main control and firmware are upgradeable 13. Ferroelectric memory enables battery-free safe archiving 14. Dual working mode with single-card closing and one-dial switching 15. Supports vibration functionality for compatible games 16. Enables game linkage between supported devices 17. Supports browser functionality 18. Supports memory expansion via SD card 19. Power-saving design 20. Replaceable CR1025 button battery on the cartridge 21. Compatible with official 512Mb (64MB) movie ROMs 22. Supports user-created modified vibration games 23. Supports vibration games via built-in emulator 24. Product appearance, color, and printed text may vary by batch; these differences do not affect functionality 25. Color: Black 26. Material: Plastic 27. Package Contents: 1 x Game Cartridge 28. Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3 cm