Micro sd card micro sdxc card memory size 64 gb read speed 95 mbs write speed 90 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 2 7 3 6 v series a data xpg suitable for 4k recording 3d recording full hd recording 360 recording sports photography device class mobile phone tablet pc standard sd 30 sdhc class 10 uhs speed class u3 adapter without adapter dimensions 15 mm x 11 mm x 1 mm weight 04 g