1.Capacities  4GB/8 GB/16 GB/32 GB
High-Speed Class Rating Class 2: 2 MB/sec minimum data transfer rate
High-Speed Class Rating Class 4: 4 MB/sec minimum data transfer rate
High-Speed Class Rating Class 6: 6 MB/sec minimum data transfer rate
2.Dimensions 0.94" x 1.25" x 0.08" (24mm X 32mm X 2.1mm)
3.Operating Temperature -25° to 80° C / -13° to 185° F
4.Storage Temperature -40° to 85° C / -40° to 185° F
5.Weight 0.08 ozs (2.3 g)
6.Voltage 3.3v
7.File Format FAT 32
8.Standardized complies with the SD Card Association 2.00 specifications standard.
9.Compatible with SDHC host devices; not compatible with standard SD-enabled devices/readers
10.Small about the size of a postage stamp
11.Secure built-in write-protect switch prevents accidental data loss
12.Guaranteed lifetime warranty
13.Simple as easy as plug-and-play
14.Economical low power consumption for better device battery life