EZ-Flash Air

960MB NOR FLASH space
Can handle multiple ROMs
Fast write speed, write a 256MB ROM in less than two minutes
GUI kernel manages the ROMs and saves
MicroSD slot
No additional hardware required to write ROMs
Cheat support
RTC support
Rumble support
Soft Rest support
Standalone/SD dual mode
DS Link/ DS rumble Pak support
Compatible with EZ-Flash Omega DE shells

Please update to the latest firmware here. Manual can be found here.