The R4i SDHC Red card for DSi or DS Lite (also known as an R4 linker or cartridge) is an adaptor for use with a microSD or SDHC memory card. The memory card enables you to store a huge amount of data (up to 32GB) and is inserted into the R4 card. Once the R4 card has been inserted into your DSi / DS Lite, you can take advantage of the following functions: * Watch your films * Listen to your music * Browse your photos * Read your e-books * Save your games The box contains the R4i Red card and the USB key for inserting a microSD card. The microSD memory card is not included.