Famicom, NES, and Twin Famicom systems are supported.* Many NES/FC clones supported as well.
Cart supports NES and FDS ROM images.
Automatic disk side swap for FDS. Expansion audio.**
Save State function Game Genie cheat code support.
Automatically backs-up saves to micro SD card.
There is no need to push reset before shutting down the system.***
Mapper support can be extended via software updates. As easy as loading new mappers files on micro SD card.
FAT / FAT16 / FAT32 file system formats are supported. Supports micro SD cards up to 32GB.
Quick loading of game files (approx. 4-8 seconds).

* Famicom version of cart requires Famicom to NES adapter to be used with NES. NES version of cart requires NES to Famicom adapter to be used with Famicom.
** Only Famicom can output expansion sound without modification. NES systems require modification to support this feature.
*** FDS is the only exception, user should push the reset button on system to get back to main menu before than shutting down the system, otherwise FDS save data will be lost.