1:1original NDS cart size.

Support TF unlimited capacity: With High-speed data transferring technology.

R4DS supports the ultra large capacity TF (MICROSD) cards up to 4GB (32Gbit) in size.

Support all kinds of DS roms, using plug & Play technology: R4 directly plays in SLOT-1 of the DS without any PASSCARD, FLASHME or WIFIME, and perfectly supports all versions of DS including Fat DS. DSL. Ids. Idsl. It also uses plug & play, no Software needed.

Support GBA link function and GBA cartridge slot: For using of DS Slot-1, R4DS already has PassMe functionality built in, it supports GBA games which is pluged in slot-2 and also the games which are required to use DS Slot-2 such as Rumble pack, Opera Extend cart, Gyroscope Adapter.

Compatible with Clean Roms, Movie, Music and other media files: R4 supports clean ROMs, Homebrews and Multimedia files with no slow-downs or hang-up,

Very low Power consumption: R4 uses Very Low Power Consumption, which means you can play Games, Multimedia files, and Homebrew more.

Perfect Save system: There is no PC software required and no more backup and restorage, directly Drag and drop all files into the MicroSD (TF) card from Computer;