Micro sd card micro sdxc card memory size 64 gb read speed 30 mbs write speed 10 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 27 36 v suitable for 4k recording 3d recording full hd recording sports photography 360 recording device class digital camera dslr camcorder computer tablet pc mp3 player mobile phone printer macbook standard sd 30 sdhc class 10 uhs speed class u1 adapter sd card adapter