Specification: • Compatible with Nintendo 3DS / DSi XL / DSi / DS Lite / DS. • Same size as an original DSi game cartridge Built-in PassMe (NO need for any boot cart/passcard etc.) • Uses microSD memory card (Trans Flash) as storage. • Runs without any lag or slow down Upgradable Firmware ( OS / Bios / Kernel ) • Loader upgradable homebrew support, IO lib will release on launch. Package content : • 1 x M3i Zero 3DS Card (Slot-1) • 1 x USB microSD memory card reader • 1 x USB firmware writer • 1 x Micro sd(empty no software)