Official site: http://www.ezflash.cn/en/article.asp?id=45
EZTEAM announce the one stop expansion pack solution whch integrated the 256Mbit GBA card/NDS Browser RAM Expansion Pack/NDS Rumble Pack all three cards in to one Lite sized slot2 card with several years experience on flashcard development .
** Note: EZTeam claims that this work with both NDS and NDS Lite (see picture of packaging) but some customers reported that this slot-2 cart works with NDS Lite only.
1. GBA function: equipped with 256Mbit Norflash, 2Mbit SRAM, and battery for game saves.
A. data remains after power off.
B. can be used as a standalone GBA card.
C. perfect GBA/NDS linker
2. Browser RAM expansion function: it uses the highspeed ram cache as the offical one. perfect compatible with NDS Browser(JAP/EUR)
3. Rumble function: Perfect works with all official rumble enabled games. it also has three level vibration strenth adjust. now you can adjust between power consume and better game feeling by yourself. SDK also provide for third party developers.