Brand new R4-III Upgrade 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. 1.3rd generation storage device (no booting tool required) 2. Flush fitting slot 1 card 3. Uses MicroSD or MicroSDHC up to 16GB card, FAT16 or 32 4. Support any MicroSD and SDHC card speed with no lag in game 5. Support Clean ROM, drag and drop. Works on any OS 6. Built in NoPass 7. Automatically detect save type 8. Save directly to MicroSD card, not to onboard chip 9. Support Moonshell and other homebrew. Open I/O interface 10. User friendly skinnable interface. Touchscreen or button operation 11. Support rumble pak and memory pak 12. Support the WiFi game, DS Rumble Pak, DS Browser 13. Support changes of the background of Operation Interface 14. Support Skin DIY by setting background and font colors on Main Menu and Game Menu manually and automatically 15. Support 4-scale-lightness adjustment ( DS Lite only ) 16. Support the Soft Reset. 17. Support Action Replay cheat-moonshell 1.6 18. Support Software Reset function( Press START key back to the R4-III menu) 19. DLDI auto-patching 20. Full download play support Package include: 1 X R4-III Upgrade Card 1 X USB 2.0 Thumb size Micro-SD card reader 1 X Blue color case for the adapter Weight: 48g