Securedigital sd sdhc card memory size 32 gb read speed 60 mbs write speed 35 mbs bus interface uhs i file format fat32 operating voltage 27 36 v series kingston ultimate suitable for 360 recording sports photography full hd recording 3d recording 4k recording device class car radio macbook tv dslr digital camera camcorder computer printer functions write protection switch sdhc class 6 operating temperature 25 to 85 c dimensions 32mm