Transcend premium sdhc 4gb class 10 ts4gsdhc10
Securedigital sd sdhc card memory size 4 gb read speed 20 mbs write speed 17 mbs file format fat32 operating voltage 27 36 v series transcend premium device class car radio macbook tv dslr digital camera camcorder computer printer functions write protection switch standard sd 20 sdhc class 10 dimensions 32mm x 24mm x 21mm weight 2 g