1) Supports SD system specification version 2.0
2) Supports SD SPI mode
3) Card Capacity of Non-secure Area, Secure Area Supports Specifications
4) Convertible to full SD card size with an adapter (optional)
5) Dimensions: 15(L)x11(W)x1(D) millimetres
6) Class speed – 6
7) Guarantees minimum data transmission of 6MB/s
please refer the above link.. sorry it was my first time to post..!