Its size is 15mm x 11mm x1mm, almost equal to the size of a fingernail, is currently the smallest memory card. It can also transfer via SD card to access the in SD card slots to use. Currently provided 128MB MicroSD card, 256MB, 512MB, 1G, 2G, 4G, 8G, 16G, and 32G of capacity. Founded by made by Flash di TransFlash card format. This card is primarily used in mobile phones, but it has the advantage of small size, along with the ever-increasing volume, it slowly began to GPS devices, used in portable music players and Flash drives. Its size is 15mm x 11mm x 1mm-the equivalent of fingernails the size of his hand, is now (2011) the smallest memory card. It is OK also adapters to connect the in SD card slots to use.