If you need a thunder speed data transfer, the more you should try out the Strontium Micro SD card Class 4 that would show you the real power of speed. With an improvement of transfer speed, With an improvement of transfer speed to 4Mb/s - you will be amazed that the data transfer is completed so quickly. It can store HD videos, higher resolution of photos and you donÂ't have to worry about losing your precious data. Features: - Ultra portable with Small Physical Size - Easy Plug & Play - Free Adapter Provided What's in the box 1 x Strontium Memory card 1 x SD Adaptor