Micro sd card micro sdhc card memory size 4 gb memory type mlc file format fat32 operating voltage 27 36 v device class digital camera dslr camcorder mp3 player tablet pc mobile phone computer printer macbook functions ecc standard sd 20 sdhc class 10 adapter sd card adapter operating temperature 0 to 70 c dimensions 15 mm x 11 mm x 1 mm weight 04 g