Features: brand new and high quality Supports SD card maximum capacity to 2Gb, and suggests using low-speed SD card. If it's not recognized, it may be larger than 2Gb or SDHC "high speed", please use the correct type of SD cardandwe highly recommande you use original sd card. Keep your SD card formatted asFAT (FAT16) format, or the card will not be recognized. for Always charge after playing, or may cause damage to the flash card. Do not for play the game or switched dial SD card, it may cause damage to the SD card. Do not for touch the FOR GBA SP microswitch when you plug in the Card. Works with G B A Player for Gameboy. It will show the menu on the screen, you just need to make sure you have a good brand SD card. It supports FOR GB, for GBA, and NES (not just for GBA files). Except for GBA, It works through emulation. Designed for Windows, but will work for MAC OSX & Linux. Specifications: Material:ABS Applicable Models:for Gameboy Note: 1. FOR GBA & for DS files must first be converted for use in the Supercard. Download conversion software "SC MiniSD v2.71": NOTE: Make sure you tell for Windows to run the software as WinXP. 2. Organize your files into folders with a max number of 65 in each folder. The supercard only recognizes the first 65 per folder, but you can have as many folders as you like, at least until you run out of space. Package includes: 1x Mini Super Card