Micro sd card micro sdxc card memory size 64 gb read speed 90 mbs write speed 80 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 27 36 v series samsung pro suitable for full hd recording 4k recording 360 recording 3d recording sports photography device class tablet pc mobile phone manufacturers warranty 10 years standard sd 301 sdhc class 10 uhs speed class u3 adapter without adapter protective