2ND generation storage device (no booting tool required) Flush fitting slot 1 card Uses microSD card, FAT16 or 32 Supports any Micro SD card speed with no lag 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 the Wi-Fi game, rumble Pak, and browser Supports changes of the background of operation interface Supports skin DIY by setting background and font colors on main menu and game menu manually and automatically Supports 4-scale-lightness adjustment Supports the soft reset Supports action replay cheat Moonshell 1.6 supports software reset function (press start key back to the R4 menu) DLDI auto-patching Full download play supports