The r4 brand name has ensured to create a good database of customers due to the quality products manufactured by them. The r4 is an adapter allowing you to store data in addition to the Nintendo games. Thus there exist a group of customers who are still loyal to buy r4 in spite of new entrants in the market with products offering at least at par categories, if not better.\n\nA few lines of products which customers still prefer to buy r4 are\n\n\n\n-> R4 SDHC Card for DS / Lite \n-> R4 SDHC Card for DS + 2GB Micro SD Memory Card\n-> R4 SDHC DS / Lite Card + 4GB Micro SD Memory Card\n-> R4 SDHC Card for DS + 8GB Micro SDHC\n-> R4 SDHC Card for DS/Lite+16GB Micro SDHC Card\n\nThe product characteristics of the r4 have certain common features among them. People buy r4 because of easy handling process. The addiction to the Nintendo games is a major cause of sale of this product.\n\n-> Updated development for the Nintendo DS and Nintendo DS Lite in flash cartridge technology \n-> Watch movies of your choice\n-> Listen to music of your favourite bands or singers\n-> Browse picture\n-> Read eBooks \n\nThe common features help ease of operations when you buy r4\n\n-> Size similar to the original ds cartridge.\n-> Uses of micro SD card for storage purpose as per requirement \n-> Size similar to the original ds cartridge.\n-> No need of any password\n-> Boot clean images that have been downloaded from net\n-> It supports the different speed capacity of the micro sd card\n-> Requirement of battery not required\n-> Supports homebrew\n-> Supports wi-fi\n\nThe common package set includes a r4 card, a usb micro sd memory card reader/writer and a r4 hard case when you buy r4.