Please download system file before using the product:
http://www.r4-king.com/Download.aspx

Manufacturer's product description:
- Support MSN, SKYPE, E-MAIL
- Support GB, GBC, MD, FC and other simulators
- Support e-book, electronic map, and browser
- Support sleeping mode, which extend standby time
- Multi-language interface decided by the core, which can be set on the DS mainframe
- Humanization operation interface, easy and simple operation
- With the latest Moonshell 2.0 Beta version
- Game compatibility:100%
- No need to flash. Built-in instruction function which conduct GBA slot burn card
- Support high speed micro GOLD memory card (4GB, 8GB, 16GB, 32GB)
- Unique high-speed hardware transmission, support all-level TF card without lag
- Support FAT16 and FAT32, files can be transferred with PC, cellphone, camera and PDA
- Support CleanROM, no need of PC software, direct copy & fast loading
- Support NDS and IDS games, IDS games can run on any mainframe
- Files are directly saved to TF card, backup and restore is not required
- Automatically recognize the save type of the new games, no need to update the database
- Power saving design, the best mode is chosen as per different requirements
- Double screen interface: thumbnail and game title display, full keypad and touch screen operation
- Easy operation - single bond operation, no setting or adjusting is required
- Support the change of backgrounds for the operation interface
- Support 4-level brightness adjustment
- Support soft reset
- Support gold fingers
- Moonshell 2.0 support soft reset (back to the menu by pressing start)
- DLDI auto-patching
- Support download play