- Works on NDS, NDS Lite, and the latest NDSi (DSi)
- 2nd generation storage device (no booting tool required)
- Flush fitting slot 1 card
- Uses MicroSD card, FAT16 or 32
- Supports any MicroSD card speed with no lag
- 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 WiFi, DS Rumble Pak, DS Browser
- Supports changes of the background of Operation Interface
- Support Skin DIY by setting background and font colors on Main Menu and Play Menu manually and automatically
- Supports 4-scale-lightness adjustment (DS Lite only )
- Supports the Soft Reset.
- Supports Action Replay cheat
- moonshell 1.6 support Software Reset function(Press START key back to the R4 menu)
- DLDI auto-patching
- Full download play support

- Official site: http://www.r4i.cn/

(please download system files from http://www.r4i.cn/ before using this product)