Micro sd card micro sdhc card memory size 16 gb read speed 11 mbs write speed 4 mbs file format fat32 operating voltage 27 36 v series bestmedia platinum device class digital camera dslr camcorder mp3 player tablet pc mobile phone computer printer macbook sdhc class 6 adapter sd card adapter operating temperature 0 to 55 c dimensions 15 mm x 11 mm x 1 mm weight 04 g