2nd Generation Storage Device (no booting tool required) Flush fitting Slot 1 Card Uses MicroSD Card, FAT16 or FAT32 File System Supports any MicroSD Card speed without lagging in game Supports Clean ROM, drag and drop. Works on any OS Built in NoPass Automatically detect save type Save directly to MicroSD Card, not to onboard chip Supports Moonshell and other homebrew. Open I/O interface User friendly skinnable interface. Touchscreen or button operation Supports rumble pak and memory pak Supports WiFi games, DS Rumble Pak, DS Browser Supports changes of the background of Operation Interface Supports 4-scale-lightness adjustment (DS Lite only) Supports Soft Reset Supports Moonshell 1.6 Software Reset Function PLEASE NOTE: This product works in exactly the same way as the R4 solution! Memory card compatibility can vary according to brand. We will only guarantee compatibility with memory cards purchased from ourselves, although they work with all major brands e.g. Sandisk, Kingston etcTo download firmware files for this device, please click here.