Micro sd card micro sdxc card memory size 64 gb read speed 48 mbs write speed 13 mbs bus interface uhs i file format exfat operating voltage 27 36 v series samsung evo suitable for full hd recording device class digital camera dslr camcorder computer car radio tv tablet pc mobile phone functions write protection switch manufacturers warranty 10 years standard sd 301 sdhc class 10 uhs speed class u1 adapter without adapter protective