Useful in multiple devices, the Micro features a full size miniSD and SD adapter for a simple cross platform solution and the practice of archiving. The adapters transform the microSD card in the miniSD or standard SD card, making it extremely versatile. The microSD card alone offers plenty of space for music Removable, games, ringtones, pictures, movies and other applications on mobile phones. Just insert the microSD card into the miniSD adapter and transform it into a miniSD storage card for personal media players, smartphones, MP3 players or other miniSD-enabled devices. Maximize your mobile device with a 4-Class, the memory card guarantees a minimum data transfer rate of 4 MB per second for OPTIMU