Micro sd card micro sdxc card memory size 64 gb read speed 40 mbs bus interface uhs i mode of transmission uhs104 file format exfat operating voltage 27 36 v device class digital camera dslr camcorder mp3 player mobile phone tablet pc computer printer macbook manufacturers warranty 5 years standard sd 301 sdhc class 10 uhs speed class u1 adapter sd card adapter protective properties x ray resistant temperature resistant shockproof operat