Micro sd card micro sdxc card memory size 128 gb read speed 80 mbs write speed 20 mbs bus interface uhs i mode of transmission uhs104 file formats fat32 exfat operating voltage 2 7 3 6 v suitable for 4k recording 3d recording full hd recording sports photography device class digital camera dslr camcorder computer tablet pc mobile phone printer macbook standard sd 301 sdhc class 10 uhs speed class u1 adapter sd card adapter dimensions 15