Supplied complete with an SD card adapter for use with any SD-compliant device making it easier to transfer files. Includes 5 years warranty For mobile phones that support microSD or Micro SD slots, the microSD card provides ample storage for files such as music, videos, and photographs on the phone. The microSD is the smallest flash memory technology card in the world. About one-fourth the size of a standard SD card, the microSD card provides high-performance and expanded memory capacity for mobile phones.