M3 Real Ndsl/idsl/ndsi .No flash, built-in guiding function, can lead to GBA card. .Unique hardware high-speed transmission,Support arbitrary speed TF card. .Support FAT16 and FAT32 directly, compatible with computer,mobile phone,camera,and PDA. .100% game compatibility. .Support CleanROM,No computer end software, copy directly,a high game loading speed.