Description: 1.2nd generation storage device (no booting tool required). 2.Supports any MicroSD card speed with no lag in game. 3.Supports Clean ROM, drag and drop. Works on any OS. 4.Automatically detect save type 5.Supports Moonshell and other homebrew. Open I/O interface. 6.Supports the WiFi game, DS Rumble Pak, DS Browser 7.Supports changes of the background of Operation Interface. 8.Support Skin DIY by setting background and font colors on Main Menu and Game Menu manually and automatically. 9.moonshell 1.6 support Software Reset function( Press START key back to the R4 menu).