tti card, tti flash cart same as original cartridge size, Slot1 interface.Plug 'n Play, easy ... SDHC. Supports any TF card speed with no lag in game,Save directly to TF card, not to onboard chip, Never ... DIY. Supports the “Hot-Key” SOFT RESET. Supports the WiFi game, DSRumble Pak, DSBrowser. Supports Download play. Supports 4-scale-lightness ...