Kingston 4 GB Class 4 microSDHC Flash Memory Card with SD & miniSD Adapters SDC4/4GB-2ADP 4GB microSDHC Class 4 w/2 Adapters 4GB storage card, plus 2 Adapters for your microSDHC compatible mobile device. When combined with a Kingston adapter, this card can be used as a full-size SDHC card. FAT 32 File Format Compliant with the SD Specification Version 2.00