Brand new R4-III Cartridge with gilded phosphor bronze interface. It has solved the problem of hard connecting; Low power consumption, support SDHC; multi-language and Perfect compatibility makes R4-III stand out. To simply put it, this is a must have peripheral for any regular DS/DS lite owner. Flush fitting slot 1 card, Uses MicroSD card, FAT16 or 32 (MAXIMUM OF 4GB), Supports any MicroSD 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 WiFi game, 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 Game 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-III menu), DLDI auto-patching, Full download play support.