The R4i adapter is the 2nd generation storage device for the Nintendo DSi that allows you to use a microSDHC card up to 32GB with your Nintendo DSi/DS Lite which enables you to store much more and allows you to benefit from all the following features: - Watch movies - Play music - Browse pictures - Read E-Books and more... Features: - Same size as an original DS/DSi game cartridge - Built-in PassMe (No need for any boot cart/passcard etc.) - Uses microSD memory card (Trans Flash) as storage up to 32GB - Boot clean dump images (downloadable from internet) - Very simple to use: drag and drop files to the microSD card and play - Standard FAT system support - Supports different speeds of micro SD cards - Supports HC memory cards - Runs games without any lag or slow down - Upgradable Firmware ( OS / Bios / Kernel ) - Touch screen control and robust skinning support - No battery needed, back up the save file directly into the microSD card: Never lose your saved games - Auto detect the save type and automatically generate saver file - Homebrew support , IO lib available on launch - Supports WiFi, DS rumble pack and DS browser. - Supports Nintendo DSi - Also supports the Nintendo DS and Nintendo DS Lite WHATS INCLUDED In the box: - 1 x R4i DS Card (Slot-1) - 1 x USB microSD memory card reader / writer - 1 x R4i DS hard case - 1 x MyMemory 4GB MicroSDHC Card + SD Adaptor - DS Software CD is NOT included